APA Style
Selling : principles and practices. (1992).
New York:
McGraw-Hill.
Chicago Style
Selling : principles and practices.
13th Ed..
New York:
McGraw-Hill,
1992.
.
MLA Style
Selling : principles and practices.
13th Ed..
New York:
McGraw-Hill,
1992.
.
Turabian Style
Selling : principles and practices.
New York:
McGraw-Hill,
1992.
.