SCHWARTZ, H., & JACOBS, J. (1979). Qualitative sociology: A method to the madness. The Free Press.
Lua i Stíl Chicago (17ú heag.)SCHWARTZ, Howard, agus Jerry JACOBS. Qualitative Sociology: A Method to the Madness. New York: The Free Press, 1979.
Lua MLA (9ú heag.)SCHWARTZ, Howard, agus Jerry JACOBS. Qualitative Sociology: A Method to the Madness. The Free Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.