APA aipamena

Kalthoff, K. (2001). Analysis of biological development (2.).

Chicago Style aipamena

Kalthoff, Klaus. Analysis of Biological Development. 2. McGraw-Hill Book Co., Boston, 2001.

MLA aipamena

Kalthoff, Klaus. Analysis of Biological Development. 2. 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.