Allyn, C. (1972). Sociology: An introduction. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Allyn, Charles. Sociology: An Introduction. Englewood Cliffs, N.J: Prentice-Hall, 1972.
Lua MLA (9ú heag.)Allyn, Charles. Sociology: An Introduction. Prentice-Hall, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.