APA aipamena

Ellis, R. H. (1994). The case books of Dr. John Snow. The Wellcome Trust Centre for the History of Medicine.

Chicago Style aipamena

Ellis, R. H. The Case Books of Dr. John Snow. The Wellcome Trust Centre for the History of Medicine, 1994.

MLA aipamena

Ellis, R. H. The Case Books of Dr. John Snow. The Wellcome Trust Centre for the History of Medicine, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.