Cita APA (7th ed.)

Crow, R., & Keeley, D. (1999). A practical guide to tropical aquarium fish. Bramley Books.

Cita Chicago (17th ed.)

Crow, Richard, i Dave Keeley. A Practical Guide to Tropical Aquarium Fish. Surrey: Bramley Books, 1999.

Cita MLA (9th ed.)

Crow, Richard, i Dave Keeley. A Practical Guide to Tropical Aquarium Fish. Bramley Books, 1999.