APA aipamena

Gray, P. (1988). Training in obstetrics and gynaecology.

Chicago Style aipamena

Gray, Peter. Training in Obstetrics and Gynaecology. 1988.

MLA aipamena

Gray, Peter. Training in Obstetrics and Gynaecology. 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.