Dyfyniad APA

Council for Agricultural Science and Technology. (1990). Alternative agriculture. Ames, Iowa: Washington.

Dyfyniad Arddull Chicago

Council for Agricultural Science and Technology. Alternative Agriculture. Ames, Iowa: Washington, 1990.

Dyfyniad MLA

Council for Agricultural Science and Technology. Alternative Agriculture. Ames, Iowa: Washington, 1990.

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