Dyfyniad APA

Gardner,Franklin P, Mitchell Roger L, & Pearcer R brent. (1988). Physiology of crop plants. Scientific publishers.

Dyfyniad Arddull Chicago

Gardner,Franklin P, Mitchell Roger L, and Pearcer R brent. Physiology of Crop Plants. Jodhpur: Scientific publishers, 1988.

Dyfyniad MLA

Gardner,Franklin P, et al. Physiology of Crop Plants. Scientific publishers, 1988.

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