APA Style

Kotler, Philip, Armstrong, Gary. (1990). MARKETING AN INTRODUCTION, SECOND EDITION (2). Englewood Cliffs: Prentice-Hall International.

Chicago Style

Kotler, Philip, Armstrong, Gary. MARKETING AN INTRODUCTION, SECOND EDITION. 2 Englewood Cliffs: Prentice-Hall International, 1990. Text.

MLA Style

Kotler, Philip, Armstrong, Gary. MARKETING AN INTRODUCTION, SECOND EDITION. 2 Englewood Cliffs: Prentice-Hall International, 1990. Text.

Turabian Style

Kotler, Philip, Armstrong, Gary. MARKETING AN INTRODUCTION, SECOND EDITION. 2 Englewood Cliffs: Prentice-Hall International, 1990. Print.