APA Style
Kotler, P., Armstrong, G. ([s.a]).
Prinsip-prinsip pemasaran= principles of marketing, jilid 1 .
Jakarta:
Erlangga.
MLA Style
Kotler, Philip., Armstrong, Gary.
"Prinsip-prinsip pemasaran= principles of marketing, jilid 1".
Jakarta:
Erlangga,
[s.a].
E-BOOK.