Gaya APA

Budi, H, I, S., Yule, G. (2020). The Study of Language (Edisi 7). New York: Cambridge University Press.

Gaya MLA

Budi, Hengki, Irawan, Setia., Yule, George. "The Study of Language". Edisi 7 New York: Cambridge University Press, 2020. Text.