Lua APA (7ú heag.)
Bratton, S. (1992). Six billion and more: Human population regulation and Christian ethics. Westminster/J. Knox Press.
Lua i Stíl Chicago (17ú heag.)
Bratton, Susan. Six Billion and More: Human Population Regulation and Christian Ethics. Louisville, Ky.: Westminster/J. Knox Press, 1992.
Lua MLA (9ú heag.)
Bratton, Susan. Six Billion and More: Human Population Regulation and Christian Ethics. Westminster/J. Knox Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.