APA aipamena

(1997). Derwent biotechnology abstracts: July 1982 - December 1997. London: Derwent Publications.

Chicago Style aipamena

Derwent Biotechnology Abstracts: July 1982 - December 1997. London: Derwent Publications, 1997.

MLA aipamena

Derwent Biotechnology Abstracts: July 1982 - December 1997. London: Derwent Publications, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.