Fifield, P. (2007). Marketing strategy: The difference between marketing and markets (third.). Butterworth Heinemnn.
Cita Chicago (17th ed.)Fifield, Paul. Marketing Strategy: The Difference Between Marketing and Markets. third. Oxford: Butterworth Heinemnn, 2007.
Cita MLA (9th ed.)Fifield, Paul. Marketing Strategy: The Difference Between Marketing and Markets. third. Butterworth Heinemnn, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.