Gaya APA

Kotler, Philip, Amstrong, Gary. (1994). Principles of marketing (6e). New Jersey: Prentice Hall.

Gaya Chicago

Kotler, Philip, Amstrong, Gary. Principles of marketing. 6e New Jersey: Prentice Hall, 1994. Buku.

Gaya MLA

Kotler, Philip, Amstrong, Gary. Principles of marketing. 6e New Jersey: Prentice Hall, 1994. Buku.

Gaya Turabian

Kotler, Philip, Amstrong, Gary. Principles of marketing. 6e New Jersey: Prentice Hall, 1994. Buku.