Gaya APA
Burnett, M, J., Dollar, A. (1979).
Business English : A Comunications Approach .
United States of America:
Allyn and Bacon Inc.
Gaya MLA
Burnett, Mary, Joyce., Dollar, Alta.
"Business English : A Comunications Approach".
United States of America:
Allyn and Bacon Inc,
1979.
Text.