Murphy, W. (1981). Coping whith the common cold. Library of health.
Chicago Style aipamenaMurphy, Wendy. Coping Whith the Common Cold. Library of health, 1981.
MLA aipamenaMurphy, Wendy. Coping Whith the Common Cold. Library of health, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.