Stern, D. A., & Dialect Accent Specialists, I. (1992). The sound & style of American English: A course in accent reduction for all speakers of English as a second language (2nd ed.). Los Angeles, CA: Dialect Accent Specialists.MLA Citation
Stern, David Alan., and Inc Dialect Accent Specialists. The Sound & Style of American English: A Course in Accent Reduction for All Speakers of English As a Second Language. 2nd ed. Los Angeles, CA: Dialect Accent Specialists, 1992.