Dyfyniad APA

Anderson, W. P. (1977). Weed science: Principles. National Book Store.

Dyfyniad Arddull Chicago

Anderson, Wood Powell. Weed Science: Principles. Manila: National Book Store, 1977.

Dyfyniad MLA

Anderson, Wood Powell. Weed Science: Principles. National Book Store, 1977.

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