APA aipamena

Dobbs, F. (1990). General practitioner maternity units.

Chicago Style aipamena

Dobbs, Frank. General Practitioner Maternity Units. 1990.

MLA aipamena

Dobbs, Frank. General Practitioner Maternity Units. 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.