Gaya APA

Kotler, Philip. (1980). Principles of marketing (text). London: Prentice-Hall Inernational.

Gaya Chicago

Kotler, Philip. Principles of marketing. text London: Prentice-Hall Inernational, 1980. Tesis.

Gaya MLA

Kotler, Philip. Principles of marketing. text London: Prentice-Hall Inernational, 1980. Tesis.

Gaya Turabian

Kotler, Philip. Principles of marketing. text London: Prentice-Hall Inernational, 1980. Tesis.