APA استشهاد

Werf, H. v. d. (1994). Crop physiology of fiber hemp (Cannabis sativa L.).

استشهاد بنمط شيكاغو

Werf, Hayo van der. Crop Physiology of Fiber Hemp (Cannabis Sativa L.). Nederlands, 1994.

MLA استشهاد

Werf, Hayo van der. Crop Physiology of Fiber Hemp (Cannabis Sativa L.). 1994.