Gaya APA
Kotler, Philip, Armstrong, Gary. (2014).
Principles of marketing (15e).
USA:
Pearson Education.
Gaya Chicago
Kotler, Philip, Armstrong, Gary.
Principles of marketing.
15e
USA:
Pearson Education,
2014.
Buku.
Gaya MLA
Kotler, Philip, Armstrong, Gary.
Principles of marketing.
15e
USA:
Pearson Education,
2014.
Buku.
Gaya Turabian
Kotler, Philip, Armstrong, Gary.
Principles of marketing.
15e
USA:
Pearson Education,
2014.
Buku.