Gaya APA

Astiti, N, Y. (2017). The effectiveness of portofolio assessment on efl learners' reading comprehension skill . Kediri: STAIN KEDIRI.

Gaya MLA

Astiti, Nila, Yudi. "The effectiveness of portofolio assessment on efl learners' reading comprehension skill". Kediri: STAIN KEDIRI, 2017. Text.