Gaya APA

Ayam, J. (2019). Wangsit UTBK SBMPTN Biologi 2021 . Serang: Wangsit Education.

Gaya MLA

Ayam, Jeroan. "Wangsit UTBK SBMPTN Biologi 2021". Serang: Wangsit Education, 2019. Text.