Gaya APA

SAPUTRI, M, R, A. (2020). The contribution of debate, critical thinking, and self-confidence to enhance students` speaking skill (Ed. 1, cet. 1). Kediri: IAIN Kediri.

Gaya MLA

SAPUTRI, MIFTAQUR, ROCHMAH, AYU. "The contribution of debate, critical thinking, and self-confidence to enhance students` speaking skill". Ed. 1, cet. 1 Kediri: IAIN Kediri, 2020. Text.