Não informado. (1954). SCHOOL LIBRARIAN AND SCHOOL LIBRARY REVIEW. School Library Association.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. SCHOOL LIBRARIAN AND SCHOOL LIBRARY REVIEW. London: School Library Association, 1954.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. SCHOOL LIBRARIAN AND SCHOOL LIBRARY REVIEW. School Library Association, 1954.
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