APA استشهاد

Winkelmann, G. (1992). Microbial Degradation of Natural Products. VCH.

استشهاد بنمط شيكاغو

Winkelmann, Gunther. Microbial Degradation of Natural Products. Weinheim: VCH, 1992.

MLA استشهاد

Winkelmann, Gunther. Microbial Degradation of Natural Products. VCH, 1992.