Dyfyniad APA

Crow, R., & Keeley, D. (1992). A practical guide to tropical aquarium fish. Tiger Books International.

Dyfyniad Arddull Chicago

Crow, Richard, and Dave Keeley. A Practical Guide to Tropical Aquarium Fish. London: Tiger Books International, 1992.

Dyfyniad MLA

Crow, Richard, and Dave Keeley. A Practical Guide to Tropical Aquarium Fish. Tiger Books International, 1992.

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