Gaya APA

Jendra, M, I, I. (2010). Sociolinguistics : The study of societies languages . Yogyakarta: Graha Ilmu.

Gaya MLA

Jendra, Made, Iwan, Indrawan. "Sociolinguistics : The study of societies languages". Yogyakarta: Graha Ilmu, 2010. Text.