AA.VV. (1984). O Livro da Juventude (1ºEd.). Selecções do Reader's Digest.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAA.VV. O Livro Da Juventude. 1ºEd. Selecções do Reader's Digest, 1984.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিAA.VV. O Livro Da Juventude. 1ºEd. Selecções do Reader's Digest, 1984.
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