Interviewer's manual: survey research center
Ann Arbor University of Michigan, 1969
Buku Teks
Research topics
Jakarta : FK-UI, 2005,
Majalah, Jurnal, Buletin
Holloway, Immy
Basic concept for qualitative research
Blackwell, 1997
Buku Teks
Journal of research in science, computing, and engineering
Manila : De La Saller University, 2007,
Majalah, Jurnal, Buletin
Wengraf, Tom
Qualitative research interviewing : biographic narrative and semi-structured methods
Sage Publications, 2002
Buku Teks