Dyfyniad APA

KOTLER , P. (1998). Principles Of Marketing / Philip Kotler, Gary Armstrong. Prentice-Hall.

Dyfyniad Arddull Chicago

KOTLER , Philip. Principles Of Marketing / Philip Kotler, Gary Armstrong. Prentice-Hall, 1998.

Dyfyniad MLA

KOTLER , Philip. Principles Of Marketing / Philip Kotler, Gary Armstrong. Prentice-Hall, 1998.

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