Gaya APA

Yong, D., Saragih, A. (2025). Voices to save: using drama in the EFL classroom for environmental english . Medan: Unimed Publisher.

Gaya MLA

Yong, David., Saragih, Amrin. "Voices to save: using drama in the EFL classroom for environmental english". Medan: Unimed Publisher, 2025. Art Original.