APA aipamena

Hancock, B. D. (1992). ABC of colorectal diseases. Anal fissures and fistulas.

Chicago Style aipamena

Hancock, B. D. ABC of Colorectal Diseases. Anal Fissures and Fistulas. 1992.

MLA aipamena

Hancock, B. D. ABC of Colorectal Diseases. Anal Fissures and Fistulas. 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.