Kiser, C. V., Grabill, W. H., & Campbell, A. A. (1968). Trends and variations in fertility in the United States [by] Clyde V. Kiser, Wilson H. Grabill [and] Arthur A. Campbell.
Chicago-referens (17:e uppl.)Kiser, Clyde Vernon, Wilson H. Grabill, och Arthur A. Campbell. Trends and Variations in Fertility in the United States [by] Clyde V. Kiser, Wilson H. Grabill [and] Arthur A. Campbell. Cambridge, Harvard University Press, 1968.
MLA-referens (9:e uppl.)Kiser, Clyde Vernon, et al. Trends and Variations in Fertility in the United States [by] Clyde V. Kiser, Wilson H. Grabill [and] Arthur A. Campbell. 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.