Wachter. Kenneth W. (2014). Essential demographic methods. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Wachter. Kenneth W. Essential Demographic Methods. London: Harvard University Press, 2014.
Lua MLA (9ú heag.)Wachter. Kenneth W. Essential Demographic Methods. Harvard University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.