Hepher, B. (1988). Nutrition of Pond Fishes. Cambridge uni Press.
Chicago Style aipamenaHepher, Balfour. Nutrition of Pond Fishes. Cambridge N.Y: Cambridge uni Press, 1988.
MLA aipamenaHepher, Balfour. Nutrition of Pond Fishes. Cambridge uni Press, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.