Dyfyniad APA

Polhamus, L. G. (1962). Rubber: Botany, Production and Utilization. Leonard Hill Books.

Dyfyniad Arddull Chicago

Polhamus, Loren G. Rubber: Botany, Production and Utilization. London: Leonard Hill Books, 1962.

Dyfyniad MLA

Polhamus, Loren G. Rubber: Botany, Production and Utilization. Leonard Hill Books, 1962.

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