Gaya APA

KHOIRIYAH, U., ROBERTS, C. (2018). Implementation of summative assessment in pbl tutorials : . Yogyakarta: AIPKI.

Gaya MLA

KHOIRIYAH, Umatul., ROBERTS, Chris. "Implementation of summative assessment in pbl tutorials :". Yogyakarta: AIPKI, 2018. Artikel.