APA (7e ed.) Bronvermelding
Elder, J. P. (2001). Behavior change and public health in the developing world. Sage.
Chicago (17e ed.) Bronvermelding
Elder, John P. Behavior Change and Public Health in the Developing World. California: Sage, 2001.
MLA (9e ed.) Bronvermelding
Elder, John P. Behavior Change and Public Health in the Developing World. Sage, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.