Cahnman, W. J., & Boskoff, A. (1964). Sociology and history: Theory and research. Free Press of Glencoe.
Lua i Stíl Chicago (17ú heag.)Cahnman, Werner J., agus Alvin Boskoff. Sociology and History: Theory and Research. [New York]: Free Press of Glencoe, 1964.
Lua MLA (8ú heag.)Cahnman, Werner J., agus Alvin Boskoff. Sociology and History: Theory and Research. Free Press of Glencoe, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.