Dyfyniad APA

Centre for Industrial Development (United Nations). (1967). Fertilizer manual. United Nations.

Dyfyniad Arddull Chicago

Centre for Industrial Development (United Nations). Fertilizer Manual. New York: United Nations, 1967.

Dyfyniad MLA

Centre for Industrial Development (United Nations). Fertilizer Manual. United Nations, 1967.

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