Nilsen, D. L. F., & Nilsen, A. P. (1973). Pronunciation contrasts in English. New York: Regents Pub. Co..
Chicago Style CitationNilsen, Don Lee Fred., and Alleen Pace Nilsen. Pronunciation Contrasts in English. New York: Regents Pub. Co., 1973.
MLA CitationNilsen, Don Lee Fred., and Alleen Pace Nilsen. Pronunciation Contrasts in English. New York: Regents Pub. Co., 1973.
Warning: These citations may not always be 100% accurate.