Gaya APA
Relationship Selling. (2008).
New York:
McGraw-Hill.
Gaya Chicago
Relationship Selling.
.
New York:
McGraw-Hill,
2008.
.
Gaya MLA
Relationship Selling.
.
New York:
McGraw-Hill,
2008.
.
Gaya Turabian
Relationship Selling.
New York:
McGraw-Hill,
2008.
.