Gaya APA

Gumperz, J, J., Hymer, D. (1972). Directions in Sociolinguistic : The Ethnography of Communication (-). New York: Holt, Rinehart and Winston Inc.

Gaya MLA

Gumperz, Jhon, J.., Hymer, Dell. "Directions in Sociolinguistic : The Ethnography of Communication". - New York: Holt, Rinehart and Winston Inc, 1972. Text.