Gaya APA

Eelen, G., Ibrahim, A, S. (2006). Kritik teori kesantunan = a critique of politiness theories . Surabaya: Airlangga University Press.

Gaya MLA

Eelen, Gino., Ibrahim, Abdul, Syukur. "Kritik teori kesantunan = a critique of politiness theories". Surabaya: Airlangga University Press, 2006. Text.