Não informado. (1973). Children' s literature abstracts. Children' s Library Section. International Federation of Library.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Children' S Literature Abstracts. Birmingham, Inglaterra: Children' s Library Section. International Federation of Library, 1973.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Children' S Literature Abstracts. Children' s Library Section. International Federation of Library, 1973.
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