Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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