Gaya APA
Keegan, WarRen J. (1995).
Marketing: study guide (2).
New Jersey:
Prentice Hall.
Gaya Chicago
Keegan, WarRen J.
Marketing: study guide.
2
New Jersey:
Prentice Hall,
1995.
Text.
Gaya MLA
Keegan, WarRen J.
Marketing: study guide.
2
New Jersey:
Prentice Hall,
1995.
Text.
Gaya Turabian
Keegan, WarRen J.
Marketing: study guide.
2
New Jersey:
Prentice Hall,
1995.
Print.