Lua APA (7ú heag.)
Lofland, J., & Lofland, L. H. Analyzing Social Settings: A Guide to Qualitative Observation and Analysis (3a edición.). Wadsworth.
Lua i Stíl Chicago (17ú heag.)
Lofland, John, agus Lyn H. Lofland. Analyzing Social Settings: A Guide to Qualitative Observation and Analysis. 3a edición. Belmont, EUA: Wadsworth.
Lua MLA (9ú heag.)
Lofland, John, agus Lyn H. Lofland. Analyzing Social Settings: A Guide to Qualitative Observation and Analysis. 3a edición. Wadsworth.
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