APA aipamena

Hewitt, G. (1889). On the Severe Vomiting of Pregnancy.

Chicago Style aipamena

Hewitt, Graily. On the Severe Vomiting of Pregnancy. 1889.

MLA aipamena

Hewitt, Graily. On the Severe Vomiting of Pregnancy. 1889.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.