Παραπομπή APA

Hepher, B. (1988). Nutrition of Pond Fishes. Cambridge uni Press.

Παραπομπή Chicago Style

Hepher, Balfour. Nutrition of Pond Fishes. Cambridge N.Y: Cambridge uni Press, 1988.

Παραπομπή MLA

Hepher, Balfour. Nutrition of Pond Fishes. Cambridge uni Press, 1988.