Gaya APA

Sukarno, . (2015). Sociolinguistics in Language Teaching Perspectives (Cet.1). Yogyakarta: Penerbit Deepublish.

Gaya MLA

Sukarno, . "Sociolinguistics in Language Teaching Perspectives". Cet.1 Yogyakarta: Penerbit Deepublish, 2015. Text.