Gaya APA

Hyun, S, D., Ru, Y, N. (2020). The Power of Language (Cet. 1). Ponorogo: Penerbitharu.

Gaya MLA

Hyun, Shin, Do., Ru, Yoon, Na. "The Power of Language". Cet. 1 Ponorogo: Penerbitharu, 2020. Text.