Leigh, G., Gerrish, R., & Gillespie, E. (1986). Why volunteers?: Selecting, training, and deploying volunteers in alcohol treatment services. Addiction Research Foundation.
Chicago-Zitierstil (17. Ausg.)Leigh, Gillian, Robin Gerrish, und Evelyn Gillespie. Why Volunteers?: Selecting, Training, and Deploying Volunteers in Alcohol Treatment Services. Toronto: Addiction Research Foundation, 1986.
MLA-Zitierstil (8. Ausg.)Leigh, Gillian, et al. Why Volunteers?: Selecting, Training, and Deploying Volunteers in Alcohol Treatment Services. Addiction Research Foundation, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.