Dyfyniad APA

(1988). Bibliography of agriculture. Vol.52, No.7. United States: ORYX Press.

Dyfyniad Arddull Chicago

Bibliography of Agriculture. Vol.52, No.7. United States: ORYX Press, 1988.

Dyfyniad MLA

Bibliography of Agriculture. Vol.52, No.7. United States: ORYX Press, 1988.

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