APA aipamena

Nicholls, A. G. (1928). Four Centuries of Medical History in Canada.

Chicago Style aipamena

Nicholls, A. G. Four Centuries of Medical History in Canada. 1928.

MLA aipamena

Nicholls, A. G. Four Centuries of Medical History in Canada. 1928.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.