Gaya APA
Keegan, Warren, Green, Mark C. (1997).
Principles of global marketing .
USA:
Prentice Hall.
Gaya Chicago
Keegan, Warren, Green, Mark C.
Principles of global marketing.
USA:
Prentice Hall,
1997.
Text.
Gaya MLA
Keegan, Warren, Green, Mark C.
Principles of global marketing.
USA:
Prentice Hall,
1997.
Text.
Gaya Turabian
Keegan, Warren, Green, Mark C.
Principles of global marketing.
USA:
Prentice Hall,
1997.
Print.