Gaya APA
Wahyuni, S.
(2012).
Qualitative Research method: Theory and Practice
(
Ed.1)
.
Jakarta:
Salemba Empat.
Gaya MLA
Wahyuni, Sari.
"Qualitative Research method: Theory and Practice".
Ed.1
Jakarta:
Salemba Empat,
2012.
UMUM.