Gaya APA
Johnston, Mark W, Marshall, Greg W. (2010).
RELATIONSHIP SELLING
Third Edition (3).
New York:
Mcgraw-hill.
Gaya Chicago
Johnston, Mark W, Marshall, Greg W.
RELATIONSHIP SELLING
Third Edition.
3
New York:
Mcgraw-hill,
2010.
Text.
Gaya MLA
Johnston, Mark W, Marshall, Greg W.
RELATIONSHIP SELLING
Third Edition.
3
New York:
Mcgraw-hill,
2010.
Text.
Gaya Turabian
Johnston, Mark W, Marshall, Greg W.
RELATIONSHIP SELLING
Third Edition.
3
New York:
Mcgraw-hill,
2010.
Print.