Gaya APA
Sutton, Kelso. (1949).
The technique of selling Kelso Sutton .
New York:
McGraw-Hill Book Company.
Gaya Chicago
Sutton, Kelso.
The technique of selling Kelso Sutton.
New York:
McGraw-Hill Book Company,
1949.
Text.
Gaya MLA
Sutton, Kelso.
The technique of selling Kelso Sutton.
New York:
McGraw-Hill Book Company,
1949.
Text.
Gaya Turabian
Sutton, Kelso.
The technique of selling Kelso Sutton.
New York:
McGraw-Hill Book Company,
1949.
Print.