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.