.Elder, J. P. (2001). Behavior change & public health in the developing world. Sage Publications.
Lua i Stíl Chicago (17ú heag.).Elder, John P. Behavior Change & Public Health in the Developing World. Thousand Oaks, Calif: Sage Publications, 2001.
Lua MLA (9ú heag.).Elder, John P. Behavior Change & Public Health in the Developing World. Sage Publications, 2001.