Dyfyniad APA

Katterns, L. B. (1960). Keeping tropical fish. Academic press.

Dyfyniad Arddull Chicago

Katterns, Leslie B. Keeping Tropical Fish. London: Academic press, 1960.

Dyfyniad MLA

Katterns, Leslie B. Keeping Tropical Fish. Academic press, 1960.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.