Dyfyniad APA

National dairy research ins. (1971). Annual report 1971. ICAR.

Dyfyniad Arddull Chicago

National dairy research ins. Annual Report 1971. ICAR, 1971.

Dyfyniad MLA

National dairy research ins. Annual Report 1971. ICAR, 1971.

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