Cita APA (7th ed.)

Laird, L. M., & Needham, T. (1988). Salmon and trout farming. Ellis Horwood.

Cita Chicago (17th ed.)

Laird, Lindsay Margaret, i Ted Needham. Salmon and Trout Farming. Chichester: Ellis Horwood, 1988.

Cita MLA (9th ed.)

Laird, Lindsay Margaret, i Ted Needham. Salmon and Trout Farming. Ellis Horwood, 1988.