APA Style
Guffey, Mary ellen. (1986).
Business english .
Boston:
PWS-Kent Publishing Company.
Chicago Style
Guffey, Mary ellen.
Business english.
Boston:
PWS-Kent Publishing Company,
1986.
Text.
MLA Style
Guffey, Mary ellen.
Business english.
Boston:
PWS-Kent Publishing Company,
1986.
Text.
Turabian Style
Guffey, Mary ellen.
Business english.
Boston:
PWS-Kent Publishing Company,
1986.
Print.