Twain, D. 1. (1983). Creating change in social settings: Planned program development. Praeger.
Citazione stile Chigago Style (17a edizione)Twain, David 1929. Creating Change in Social Settings: Planned Program Development. New York: Praeger, 1983.
Citatione MLA (9a ed.)Twain, David 1929. Creating Change in Social Settings: Planned Program Development. Praeger, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.