Shelley, E. L. (1972). Volunteers in the correctional spectrum. Volunteers in the correctional spectrum an overview of evaluation, research, and survey.
Chicago-Zitierstil (17. Ausg.)Shelley, Ernest L. "Volunteers in the Correctional Spectrum." Volunteers in the Correctional Spectrum an Overview of Evaluation, Research, and Survey 1972.
MLA-Zitierstil (9. Ausg.)Shelley, Ernest L. "Volunteers in the Correctional Spectrum." Volunteers in the Correctional Spectrum an Overview of Evaluation, Research, and Survey, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.