Attenborough, D. (1991). <Os >desafios da vida. Gradiva.
Chicago Style (17th ed.) CitationAttenborough, David. <Os >desafios Da Vida. Gradiva, 1991.
MLA (8th ed.) CitationAttenborough, David. <Os >desafios Da Vida. Gradiva, 1991.
Warning: These citations may not always be 100% accurate.