APA Style
Stallings,William. ().
Business Communications .
:
Prentice Hall.
Chicago Style
Stallings,William.
Business Communications.
:
Prentice Hall,
.
Book.
MLA Style
Stallings,William.
Business Communications.
:
Prentice Hall,
.
Book.
Turabian Style
Stallings,William.
Business Communications.
:
Prentice Hall,
.
Book.