APA-Zitierstil (7. Ausg.)

van Hoorn, W., & Keilmann, N. (1997). Birth expectations and their use in fertility forecasting.

Chicago-Zitierstil (17. Ausg.)

van Hoorn, Wim, 与 Nico Keilmann. Birth Expectations and Their Use in Fertility Forecasting. Luxembourg, 1997.

MLA-Zitierstil (8. Ausg.)

van Hoorn, Wim, 与 Nico Keilmann. Birth Expectations and Their Use in Fertility Forecasting. 1997.