Gaya APA
Wahyuni, S.
(2015, 2019).
Qualitative Research Method: Theory and Practice
(
2 dan 3)
.
Jakarta:
Salemba Empat.
Gaya MLA
Wahyuni, Sari.
"Qualitative Research Method: Theory and Practice".
2 dan 3
Jakarta:
Salemba Empat,
2015, 2019.
Text.