Gaya APA
Fisk, George. (1967).
Marketing systems an Indroductory analysis .
New York:
Harper & Row.
Gaya Chicago
Fisk, George.
Marketing systems an Indroductory analysis.
New York:
Harper & Row,
1967.
Text.
Gaya MLA
Fisk, George.
Marketing systems an Indroductory analysis.
New York:
Harper & Row,
1967.
Text.
Gaya Turabian
Fisk, George.
Marketing systems an Indroductory analysis.
New York:
Harper & Row,
1967.
Print.