Dyfyniad APA

HESS,DIieter. (1975). PLANT PHYSIOLOGY. NAROSA PPUBLISHING HOUSE.

Dyfyniad Arddull Chicago

HESS,DIieter. PLANT PHYSIOLOGY. INDIA: NAROSA PPUBLISHING HOUSE, 1975.

Dyfyniad MLA

HESS,DIieter. PLANT PHYSIOLOGY. NAROSA PPUBLISHING HOUSE, 1975.

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