``` lang=lua
local capiunto = require 'capiunto'
local util = require 'libraryUtil'

local referenceRenderer
 
function addStatement( t, property )
	local value = ''
	local frame = mw.getCurrentFrame()
 
	if frame.args[property] then
		value = frame.args[property]
	else
		local entity = mw.wikibase.getEntity()
		local propertyId = mw.wikibase.resolvePropertyId( property )
 
		if propertyId ~= nil then
			value = renderStatements( entity:getStatements( propertyId ) )
		end
	end
 
	if value ~= '' then
		t:addRow( property, value )
	end
 
	return t
end

function renderStatements( statements )
	local value = ''
	local frame = mw.getCurrentFrame()

	for k, statement in pairs( statements ) do
		if value ~= '' then
			value = value .. tostring( mw.message.new( 'comma-separator' ) )
		end

		value = value .. mw.wikibase.renderSnak( statement.mainsnak )

		if statement.references then
			value = value .. renderReferences( statement.references )
		end
	end

	return value
end

function renderReferences( references )
	local value = ''
	local frame = mw.getCurrentFrame()

	for k, reference in pairs( references ) do
		value = value .. frame:preprocess(
			'<ref name="' .. reference.hash .. '">' .. referenceRenderer( reference.snaks ) .. '</ref>'
		)
	end

	return value
end

function defaultReferenceRenderer( snaks )
	return mw.wikibase.renderSnaks( snaks )
end

local create = capiunto.create

capiunto.create = function( options )
	local infobox = create( options )
	infobox.addStatement = addStatement

	referenceRenderer = options.referenceRenderer or defaultReferenceRenderer
	util.checkType( 'referenceRenderer', 1, referenceRenderer, 'function' )

	return infobox
end

return capiunto
```