Murphy, W. (1981). Coping whith the common cold. Library of health.
Chicago (17e ed.) BronvermeldingMurphy, Wendy. Coping Whith the Common Cold. Library of health, 1981.
MLA (9e ed.) BronvermeldingMurphy, Wendy. Coping Whith the Common Cold. Library of health, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.