Gaya APA
Wahyuni, S.
(2019).
Qualitative Research Method : Theory and Practice
(
ed. 3, cet. 1)
.
Jakarta:
Salemba Empat.
Gaya MLA
Wahyuni, Sari.
"Qualitative Research Method : Theory and Practice".
ed. 3, cet. 1
Jakarta:
Salemba Empat,
2019.
Buku.