Gaya APA

Syahri, I. (2013). Resembalnce of indirectness in politeness of EFL learners' request realizations . Bandung: UPT Balai Bahasa, Universitas Pendidikan Indonesia.

Gaya MLA

Syahri, Indawan. "Resembalnce of indirectness in politeness of EFL learners' request realizations". Bandung: UPT Balai Bahasa, Universitas Pendidikan Indonesia, 2013. Text.