Lofland, John
Analyzing social settings: a guide to qualitative observation and analysis
Wadsworth, 1984
Buku Teks
Neuman, William Lawrence, 1950-
Social research methods: qualitative and quantitative approaches
Allyn and Bacon, 1994
Buku Teks
Doing social research: a global context / Calaire Wagner, Barbara B. Kawulich, Marks Garner, editor
McGraw-Hill, 2012
Buku Teks
Neuman, William Lawrence, 1950-
Social research methods: qualitative and quantitative approaches
Pearson/Allyn and Bacon, 2006
Buku Teks
Lofland, John
Analyzing social settings: a guide to qualitative observation and analysis
Wadsworth, 1971
Buku Teks