Language files :
materials for an introduction to language /
Department of Linguistics, the Ohio State University
APA Citation
Powers, J., Crabtree, M., Ohio State University. Dept. of Linguistics. (1991). Language files: materials for an introduction to language. 5th ed. / Columbus: Ohio State University Press.
MLA Citation
Powers, Joyce, Monica Crabtree, and Ohio State University. Dept. of Linguistics. Language Files: Materials for an Introduction to Language. 5th ed. / Columbus: Ohio State University Press, 1991.
Warning: These citations may not always be complete (especially for serials).