Discovery Channel School, QuickTime, & World Book. (2005). Birds [computer file]. Discovery Communications.
Citace podle Chicago (17th ed.)Discovery Channel School, QuickTime, a World Book. Birds [computer File]. [U.S.A.]: Discovery Communications, 2005.
Citace podle MLA (9th ed.)Discovery Channel School, et al. Birds [computer File]. Discovery Communications, 2005.
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