APA aipamena

Waugh, N. R., & Robertson, A. J. (1990). Cervical screening in general practice.

Chicago Style aipamena

Waugh, N R., and A J. Robertson. Cervical Screening in General Practice. 1990.

MLA aipamena

Waugh, N R., and A J. Robertson. Cervical Screening in General Practice. 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.