Gaya APA

al., E. et al (2014,2020,2021). Dasar-dasar Metodologi Penelitian (Ed. 1,-,Ed. I). Yogyakarta: Andi Offset.

Gaya MLA

al., Et. et al. "Dasar-dasar Metodologi Penelitian". Ed. 1,-,Ed. I Yogyakarta: Andi Offset, 2014,2020,2021. Text.