Gaya APA

Sugiyono, ., Suryandari, S, Y. (2015). Metode penelitian dan pengembangan ( Research and Development/ R&D ) (Cet.1). : .

Gaya MLA

Sugiyono, ., Suryandari, Sofia, Yustiyani. "Metode penelitian dan pengembangan ( Research and Development/ R&D )". Cet.1 : , 2015. Textbook.