Sapp, S. (1992). Light on a gray area: American public policy on aging. Abingdon Press in cooperation with The Churches' Center for Theology and Public Policy.
Chicago-Zitierstil (17. Ausg.)Sapp, Stephen. Light on a Gray Area: American Public Policy on Aging. Nashville u.a: Abingdon Press in cooperation with The Churches' Center for Theology and Public Policy, 1992.
MLA-Zitierstil (9. Ausg.)Sapp, Stephen. Light on a Gray Area: American Public Policy on Aging. Abingdon Press in cooperation with The Churches' Center for Theology and Public Policy, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.