Gaya APA
Bogdan, R.
(1998).
Qualitative Research for Education
(
Cet.10)
.
Amerika:
Sari Knopp Biklen.
Gaya MLA
Bogdan, Robert.
"Qualitative Research for Education".
Cet.10
Amerika:
Sari Knopp Biklen,
1998.
Text.