Gaya APA

wahyu, ., Sa'adah, R, N. (2022). Metode penelitian R&D ( Research and development ) (cet 3). Malang: CV. Literasi Nusantara Abadi.

Gaya MLA

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