Gaya APA
Handbook of qualitative research. (1994).
California:
Sage Publications Inc..
Gaya Chicago
Handbook of qualitative research.
.
California:
Sage Publications Inc.,
1994.
Buku.
Gaya MLA
Handbook of qualitative research.
.
California:
Sage Publications Inc.,
1994.
Buku.
Gaya Turabian
Handbook of qualitative research.
California:
Sage Publications Inc.,
1994.
Buku.