Weber, M., & Secher, H. P. (1962). Basic concepts in sociology. The Citadell Press.
Lua i Stíl Chicago (17ú heag.)Weber, Max, agus H. P. Secher. Basic Concepts in Sociology. New York: The Citadell Press, 1962.
Lua MLA (8ú heag.)Weber, Max, agus H. P. Secher. Basic Concepts in Sociology. The Citadell Press, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.