Gaya APA

Sukarni, E, I., Pratama, A. (2012). English for specific purposes Indonesian for specific purposes : and their pragmatics implications in Southeast Asia . Yogyakarta: Ombak.

Gaya MLA

Sukarni, Emalia, Iragiliati., Pratama, Aditya. "English for specific purposes Indonesian for specific purposes : and their pragmatics implications in Southeast Asia". Yogyakarta: Ombak, 2012. Text.