Onyebinama, U. A. U. (1997). Economic incentives and disincentives for the reduction of family size in Yobe State of Nigeria. Population Research Fund Management Unit, NISER.
Chicago-Zitierstil (17. Ausg.)Onyebinama, U. A. U. Economic Incentives and Disincentives for the Reduction of Family Size in Yobe State of Nigeria. [Ibadan? Nigeria]: Population Research Fund Management Unit, NISER, 1997.
MLA-Zitierstil (9. Ausg.)Onyebinama, U. A. U. Economic Incentives and Disincentives for the Reduction of Family Size in Yobe State of Nigeria. Population Research Fund Management Unit, NISER, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.