Dyfyniad APA

CRAVENS, R. H. (1977). Pests And Diseases Richard H.cravens. Time-Life Books.

Dyfyniad Arddull Chicago

CRAVENS, Richard H. Pests And Diseases Richard H.cravens. Time-Life Books, 1977.

Dyfyniad MLA

CRAVENS, Richard H. Pests And Diseases Richard H.cravens. Time-Life Books, 1977.

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