Gaya APA
Sa'adah, R, N., wahyu, . (2022).
Metode penelitian R&D ( Research and development ) (cet 3).
Malang:
CV. Literasi Nusantara Abadi.
Gaya MLA
Sa'adah, Risa, Nur., wahyu, .
"Metode penelitian R&D ( Research and development )".
cet 3
Malang:
CV. Literasi Nusantara Abadi,
2022.
Text.