Dyfyniad APA

Elton, R. A. (1990). Mollusc diseases: Guide for the shellfish farmer. United States: Washington Sea Grant Program.

Dyfyniad Arddull Chicago

Elton, Ralph A. Mollusc Diseases: Guide for the Shellfish Farmer. United States: Washington Sea Grant Program, 1990.

Dyfyniad MLA

Elton, Ralph A. Mollusc Diseases: Guide for the Shellfish Farmer. United States: Washington Sea Grant Program, 1990.

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