Dyfyniad APA

(2002). Biotechology of biofertilizers. Pangbourne, England: Alpha Science International Ltd.

Dyfyniad Arddull Chicago

Biotechology of Biofertilizers. Pangbourne, England: Alpha Science International Ltd, 2002.

Dyfyniad MLA

Biotechology of Biofertilizers. Pangbourne, England: Alpha Science International Ltd, 2002.

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