Hammersley, M. (1989). The dilemma of qualitative method: Herbert Blumer and the Chicago tradition. ROUTLEDGE.
Lua i Stíl Chicago (17ú heag.)Hammersley, Martyn. The Dilemma of Qualitative Method: Herbert Blumer and the Chicago Tradition. New York, Estados Unidos: ROUTLEDGE, 1989.
Lua MLA (9ú heag.)Hammersley, Martyn. The Dilemma of Qualitative Method: Herbert Blumer and the Chicago Tradition. ROUTLEDGE, 1989.
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