APA Style
Guffey, Mary Ellen.. (2008).
Business English (Edition 9).
United States of America:
Thomson South-Western.
Chicago Style
Guffey, Mary Ellen..
Business English.
Edition 9
United States of America:
Thomson South-Western,
2008.
Manuscript.
MLA Style
Guffey, Mary Ellen..
Business English.
Edition 9
United States of America:
Thomson South-Western,
2008.
Manuscript.
Turabian Style
Guffey, Mary Ellen..
Business English.
Edition 9
United States of America:
Thomson South-Western,
2008.
Manuscript.