Gaya APA

KOTLER, Philip, Gary Armstrong. (2001). Principles of marketing (9th. ed.). New Jersey: Prentice-Hall.

Gaya Chicago

KOTLER, Philip, Gary Armstrong. Principles of marketing. 9th. ed. New Jersey: Prentice-Hall, 2001. Textbook.

Gaya MLA

KOTLER, Philip, Gary Armstrong. Principles of marketing. 9th. ed. New Jersey: Prentice-Hall, 2001. Textbook.

Gaya Turabian

KOTLER, Philip, Gary Armstrong. Principles of marketing. 9th. ed. New Jersey: Prentice-Hall, 2001. Textbook.