APA aipamena

Axelrod, H. R., & Vorderwinkler, W. Colour guide to tropical fish.

Chicago Style aipamena

Axelrod, Herbert R., and William Vorderwinkler. Colour Guide to Tropical Fish.

MLA aipamena

Axelrod, Herbert R., and William Vorderwinkler. Colour Guide to Tropical Fish.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.