APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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