Berelson, B. (1969). Family planning programs: An international survey. Basic Books.
Lua i Stíl Chicago (17ú heag.)Berelson, Bernard. Family Planning Programs: An International Survey. New York: Basic Books, 1969.
Lua MLA (8ú heag.)Berelson, Bernard. Family Planning Programs: An International Survey. Basic Books, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.