Gaya APA
IVEY,Paul. (1947).
Successful Salesmanship (2nd.ed).
New York:
Prentice-hall Inc.
Gaya Chicago
IVEY,Paul.
Successful Salesmanship.
2nd.ed
New York:
Prentice-hall Inc,
1947.
Teks.
Gaya MLA
IVEY,Paul.
Successful Salesmanship.
2nd.ed
New York:
Prentice-hall Inc,
1947.
Teks.
Gaya Turabian
IVEY,Paul.
Successful Salesmanship.
2nd.ed
New York:
Prentice-hall Inc,
1947.
Teks.