Gaya APA
Lofland, J., Lofland, L, H. (1984).
Analyzing Social Settings; A Guide To Qualitative Observation and Analysis .
California:
Wadsworth.
Gaya MLA
Lofland, John., Lofland, Lyn, H..
"Analyzing Social Settings; A Guide To Qualitative Observation and Analysis".
California:
Wadsworth,
1984.
Text.