Gaya APA

Elvera, ., Astarina, Y. (2021). Metodologi Penelitian (1st, Cet. 1st). Yogyakarta: Andi.

Gaya MLA

Elvera, ., Astarina, Yesita. "Metodologi Penelitian". 1st, Cet. 1st Yogyakarta: Andi, 2021. Text.