Ward, M. P., & Butz, W. (1978). Completed fertility and its timing: An economic analysis of U.S. experience since World War II. Rand Corporation.
Chicago-Zitierstil (17. Ausg.)Ward, Michael Paul, und William Butz. Completed Fertility and Its Timing: An Economic Analysis of U.S. Experience Since World War II. Santa Monica, Calif: Rand Corporation, 1978.
MLA-Zitierstil (9. Ausg.)Ward, Michael Paul, und William Butz. Completed Fertility and Its Timing: An Economic Analysis of U.S. Experience Since World War II. Rand Corporation, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.