APA Citation

Costinett, S., & Roos, G. (1973). American English for international businessmen. Silver Spring, Md.: Institute of Modern Lenguajes.

Chicago Style Citation

Costinett, Sandra, and Gordon Roos. American English for International Businessmen. Silver Spring, Md.: Institute of Modern Lenguajes, 1973.

MLA Citation

Costinett, Sandra, and Gordon Roos. American English for International Businessmen. Silver Spring, Md.: Institute of Modern Lenguajes, 1973.

Warning: These citations may not always be 100% accurate.