APA aipamena

Schwartz, S. I. (1980). The year book of surgery 1980. YearBook Medical.

Chicago Style aipamena

Schwartz, Seymour I. The Year Book of Surgery 1980. YearBook Medical, 1980.

MLA aipamena

Schwartz, Seymour I. The Year Book of Surgery 1980. YearBook Medical, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.