APA aipamena

Duffy, J. (1971). The history of Asiatic cholera in the United States.

Chicago Style aipamena

Duffy, J. The History of Asiatic Cholera in the United States. 1971.

MLA aipamena

Duffy, J. The History of Asiatic Cholera in the United States. 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.