Gaya APA
RICHARD H. BUSKIRK, BRUCE D. BUSKRIK. (1992).
SELLING PRINCIPLES AND PRACTICES (edition 13).
nEW yORK:
McGraw - Hill.
Gaya Chicago
RICHARD H. BUSKIRK, BRUCE D. BUSKRIK.
SELLING PRINCIPLES AND PRACTICES.
edition 13
nEW yORK:
McGraw - Hill,
1992.
Pengayaan.
Gaya MLA
RICHARD H. BUSKIRK, BRUCE D. BUSKRIK.
SELLING PRINCIPLES AND PRACTICES.
edition 13
nEW yORK:
McGraw - Hill,
1992.
Pengayaan.
Gaya Turabian
RICHARD H. BUSKIRK, BRUCE D. BUSKRIK.
SELLING PRINCIPLES AND PRACTICES.
edition 13
nEW yORK:
McGraw - Hill,
1992.
Pengayaan.