APA citiranje

Direct, o. c. p. D. K. e. D. (1993). As aves. Verbo.

Chicago Style (17th ed.) Citation

Direct, obra concebida por Dorling Kindersley e DK. As Aves. Verbo, 1993.

MLA citiranje

Direct, obra concebida por Dorling Kindersley e DK. As Aves. Verbo, 1993.