APA ציטוט

Scragg, A. (1999). Environmental biotechnology. Edinburg Gate, England: Longman.

Trích dẫn kiểu Chicago

Scragg, Alan. Environmental Biotechnology. Edinburg Gate, England: Longman, 1999.

ציטוט MLA

Scragg, Alan. Environmental Biotechnology. Edinburg Gate, England: Longman, 1999.