BESHERS, J. M. (1967). Population processes in social systems. The Free Press.
Lua i Stíl Chicago (17ú heag.)BESHERS, JAMES M. Population Processes in Social Systems. New York: The Free Press, 1967.
Lua MLA (8ú heag.)BESHERS, JAMES M. Population Processes in Social Systems. The Free Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.