Gaya APA

Cippollone, N., Keiser, S, H. (1994). Language files : Materials for an introduction to language & linguistics (Ed.-7). Columbus: Ohio State University Press.

Gaya MLA

Cippollone, Nick., Keiser, Steven, Hartman. "Language files : Materials for an introduction to language & linguistics". Ed.-7 Columbus: Ohio State University Press, 1994. Text.