Gaya APA
Sugiyono, .
(2019).
METODE PENELITIAN DAN PENGEMBANGAN: Research and Development (RnD)
.
Bandung:
Alfabeta.
Gaya MLA
Sugiyono, .
"METODE PENELITIAN DAN PENGEMBANGAN: Research and Development (RnD)".
Bandung:
Alfabeta,
2019.
PRINTED BOOK.