APA citiranje
National Geographic Society. (2006). Anfibios (1̊ ed.). National Geographic Society ; Weldon Owen Pty Ltd.
Chicago Style (17th ed.) Citation
National Geographic Society. Anfibios. 1̊ ed. National Geographic Society ; Weldon Owen Pty Ltd, 2006.
MLA citiranje
National Geographic Society. Anfibios. 1̊ ed. National Geographic Society ; Weldon Owen Pty Ltd, 2006.
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