Gaya APA
Russell, Frederick A, Beach, Frank H. (1963).
Textbook Of Salesmanship (6th ed).
New York:
MCGRAW-HILL.
Gaya Chicago
Russell, Frederick A, Beach, Frank H.
Textbook Of Salesmanship.
6th ed
New York:
MCGRAW-HILL,
1963.
.
Gaya MLA
Russell, Frederick A, Beach, Frank H.
Textbook Of Salesmanship.
6th ed
New York:
MCGRAW-HILL,
1963.
.
Gaya Turabian
Russell, Frederick A, Beach, Frank H.
Textbook Of Salesmanship.
6th ed
New York:
MCGRAW-HILL,
1963.
.