Whelpton, P. K. (1954). Cohort fertility: Native white women in the United States. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Whelpton, Pascal Kidder. Cohort Fertility: Native White Women in the United States. Princeton: Princeton University Press, 1954.
Lua MLA (9ú heag.)Whelpton, Pascal Kidder. Cohort Fertility: Native White Women in the United States. Princeton University Press, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.