APA Style

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

MLA Style

Jendra, Made, Iwan, Indrawan. "Sociolinguistics : the study of societies' languages". Yogyakarta: Graha Ilmu, 2010. Perpustakaan KALBIS.