Fifield, P. (2007). Marketing strategy: The difference between marketing and markets (third.). Butterworth Heinemnn.
Chicago-čujuhus (17. p.)Fifield, Paul. Marketing Strategy: The Difference Between Marketing and Markets. third. Oxford: Butterworth Heinemnn, 2007.
MLA-čujuhus (9. p.)Fifield, Paul. Marketing Strategy: The Difference Between Marketing and Markets. third. Butterworth Heinemnn, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.