APA Style
Guffey, Mary Ellen. (2005).
Business Communication Process & Product .
:
Nelson Canada.
Chicago Style
Guffey, Mary Ellen.
Business Communication Process & Product.
:
Nelson Canada,
2005.
Text.
MLA Style
Guffey, Mary Ellen.
Business Communication Process & Product.
:
Nelson Canada,
2005.
Text.
Turabian Style
Guffey, Mary Ellen.
Business Communication Process & Product.
:
Nelson Canada,
2005.
Print.