Bongaarts, J., & Watkins, S. C. (1996). Social interactions and contemporary fertility transitions. Population Council.
Lua i Stíl Chicago (17ú heag.)Bongaarts, John, agus Susan Cotts Watkins. Social Interactions and Contemporary Fertility Transitions. New York: Population Council, 1996.
Lua MLA (9ú heag.)Bongaarts, John, agus Susan Cotts Watkins. Social Interactions and Contemporary Fertility Transitions. Population Council, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.