Lua APA (7ú heag.)

KOTLER PHILIP. (2011). PRINCIPLES OF MARKETING. Issued.

Lua i Stíl Chicago (17ú heag.)

KOTLER PHILIP. PRINCIPLES OF MARKETING. NEW DELHI: Issued, 2011.

Lua MLA (9ú heag.)

KOTLER PHILIP. PRINCIPLES OF MARKETING. Issued, 2011.

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