Gaya APA
Kotler, Philip, Armstrong, Gary. (1999).
Principles of marketing (8e).
London:
Prentice Hall.
Gaya Chicago
Kotler, Philip, Armstrong, Gary.
Principles of marketing.
8e
London:
Prentice Hall,
1999.
Buku.
Gaya MLA
Kotler, Philip, Armstrong, Gary.
Principles of marketing.
8e
London:
Prentice Hall,
1999.
Buku.
Gaya Turabian
Kotler, Philip, Armstrong, Gary.
Principles of marketing.
8e
London:
Prentice Hall,
1999.
Buku.