Lua APA (7ú heag.)
Smith, J. E. (1991). Humanae vitae: A generation later. Catholic University of America Press.
Lua i Stíl Chicago (17ú heag.)
Smith, Janet E. Humanae Vitae: A Generation Later. Washington, D.C.: Catholic University of America Press, 1991.
Lua MLA (9ú heag.)
Smith, Janet E. Humanae Vitae: A Generation Later. Catholic University of America Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.