Gaya APA

Arifin, A. (2019). Theories of learning (Cet. 1). Ponorogo: STKIP PGRI Ponorogo Press.

Gaya MLA

Arifin, Adip. "Theories of learning". Cet. 1 Ponorogo: STKIP PGRI Ponorogo Press, 2019. Text.