Não informado. (1927). Bulletin du Bureau International d' Education. Bureau International d' Education.
Chicago Style (17th ed.) CitationNão informado. Bulletin Du Bureau International D' Education. Geneve, Suíça: Bureau International d' Education, 1927.
MLA (8th ed.) CitationNão informado. Bulletin Du Bureau International D' Education. Bureau International d' Education, 1927.
Warning: These citations may not always be 100% accurate.