Literaturverzeichnis Seiten 26 - 27. - Рекомендовано Научно-методическим учреждением "Национальный институт образования" Министерства образования Республики Беларусь
Hungarian language, Spanish language, Bosnian language, Romanian language, Croatian language, Serbian language, Romani language, Russian language, German language, Albanian language, Slovak language, Italian language, Bulgarian language, French language, Not specified, Ukrainian language, English language