Gaya APA
Pederson,Carlton A, Wright, Milburn D, Weizt, Barton. (1984).
Selling Principles and Methods (8 ed.).
Illinois:
Irwin.
Gaya Chicago
Pederson,Carlton A, Wright, Milburn D, Weizt, Barton.
Selling Principles and Methods.
8 ed.
Illinois:
Irwin,
1984.
Text.
Gaya MLA
Pederson,Carlton A, Wright, Milburn D, Weizt, Barton.
Selling Principles and Methods.
8 ed.
Illinois:
Irwin,
1984.
Text.
Gaya Turabian
Pederson,Carlton A, Wright, Milburn D, Weizt, Barton.
Selling Principles and Methods.
8 ed.
Illinois:
Irwin,
1984.
Print.