APA Style
Yudha, A., heller, K, A. (2018).
QUALITATIVE INQUIRY & RESEARCH DESIGN (4).
United States of America:
Sage publicitations.
MLA Style
Yudha, Anggra., heller, Kurt, A.
"QUALITATIVE INQUIRY & RESEARCH DESIGN".
4
United States of America:
Sage publicitations,
2018.
Buku PGSD.