Dyfyniad APA

North Dakota Agricultural College. Agricultural Extension Service. (1935). Circular. Agricultural Extension Service, North Dakota Agricultural College.

Dyfyniad Arddull Chicago

North Dakota Agricultural College. Agricultural Extension Service. Circular. Fargo, N.D.: Agricultural Extension Service, North Dakota Agricultural College, 1935.

Dyfyniad MLA

North Dakota Agricultural College. Agricultural Extension Service. Circular. Agricultural Extension Service, North Dakota Agricultural College, 1935.

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