Gaya APA

Kotler, Philip, Armstrong, Gary. (2012). Principles of marketing (14th ed). London: Pearson.

Gaya Chicago

Kotler, Philip, Armstrong, Gary. Principles of marketing. 14th ed London: Pearson, 2012. BUKU.

Gaya MLA

Kotler, Philip, Armstrong, Gary. Principles of marketing. 14th ed London: Pearson, 2012. BUKU.

Gaya Turabian

Kotler, Philip, Armstrong, Gary. Principles of marketing. 14th ed London: Pearson, 2012. BUKU.