APA Style
GUFFEY, Mary Ellen. (1997).
Essentials of Business Communication .
OHIO:
South-Western College Publ..
Chicago Style
GUFFEY, Mary Ellen.
Essentials of Business Communication.
OHIO:
South-Western College Publ.,
1997.
Teks Book.
MLA Style
GUFFEY, Mary Ellen.
Essentials of Business Communication.
OHIO:
South-Western College Publ.,
1997.
Teks Book.
Turabian Style
GUFFEY, Mary Ellen.
Essentials of Business Communication.
OHIO:
South-Western College Publ.,
1997.
Teks Book.