Gaya APA
Etzel, Michael J. (1997).
Marketing (11).
America:
McGraw-Hill, Inc.
Gaya Chicago
Etzel, Michael J.
Marketing.
11
America:
McGraw-Hill, Inc,
1997.
Text.
Gaya MLA
Etzel, Michael J.
Marketing.
11
America:
McGraw-Hill, Inc,
1997.
Text.
Gaya Turabian
Etzel, Michael J.
Marketing.
11
America:
McGraw-Hill, Inc,
1997.
Print.