APA Style
Kotler, Philip, Amstrong, Gary. (2000).
Principles of marketing (9th ed.).
Upper Saddle River:
Prentice-Hall International Inc..
Chicago Style
Kotler, Philip, Amstrong, Gary.
Principles of marketing.
9th ed.
Upper Saddle River:
Prentice-Hall International Inc.,
2000.
Text.
MLA Style
Kotler, Philip, Amstrong, Gary.
Principles of marketing.
9th ed.
Upper Saddle River:
Prentice-Hall International Inc.,
2000.
Text.
Turabian Style
Kotler, Philip, Amstrong, Gary.
Principles of marketing.
9th ed.
Upper Saddle River:
Prentice-Hall International Inc.,
2000.
Print.