Fifield, P. (2007). Marketing strategy: The difference between marketing and markets (third.). Butterworth Heinemnn.
Citazione stile Chigago Style (17a edizione)Fifield, Paul. Marketing Strategy: The Difference Between Marketing and Markets. third. Oxford: Butterworth Heinemnn, 2007.
Citatione MLA (9a ed.)Fifield, Paul. Marketing Strategy: The Difference Between Marketing and Markets. third. Butterworth Heinemnn, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.