Gaya APA
sugiyono,prof, .
(2020).
Metode Penelitian & Pengembangan Research and Development
.
Bandung:
ALFABEATA,cv.
Gaya MLA
sugiyono,prof, .
"Metode Penelitian & Pengembangan Research and Development".
Bandung:
ALFABEATA,cv,
2020.
Art Original.