APA aipamena

(2013). DIFFICULT asthma. Jaypee Brothers Medical Publishers.

Chicago Style aipamena

DIFFICULT Asthma. Jaypee Brothers Medical Publishers, 2013.

MLA aipamena

DIFFICULT Asthma. Jaypee Brothers Medical Publishers, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.