Gaya APA

Fromkin, V., Rodman, R. (1988). An introduction to language (4th Ed.). Fort Worth: Holt, Rinehart and Winston, Inc..

Gaya MLA

Fromkin, Victoria., Rodman, Robert. "An introduction to language". 4th Ed. Fort Worth: Holt, Rinehart and Winston, Inc., 1988. Text.