Dyfyniad APA

Shepherd, J. C., & Bromage, R. N. (1992). Intensive fisn farming. Scinetific.

Dyfyniad Arddull Chicago

Shepherd, Jonathan C., and R Niall Bromage. Intensive Fisn Farming. Blackwell: Scinetific, 1992.

Dyfyniad MLA

Shepherd, Jonathan C., and R Niall Bromage. Intensive Fisn Farming. Scinetific, 1992.

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