Gaya APA
Purwanto, Y., Jendra, M, I, I. (2012).
Sociolinguistics; The Study Of Society Language .
Yogyakarta:
Graha Ilmu.
Gaya MLA
Purwanto, Yadi., Jendra, Made, Iwan, Indrawan.
"Sociolinguistics; The Study Of Society Language".
Yogyakarta:
Graha Ilmu,
2012.
Text.