Czepiel, John A.
Competitive marketing strategy / John A. Czepiel
Prentice-Hall, 1992
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Managerial marketing: perspectives and viewpointsa, a source book Eugene J. Kelley and William Lazer
Richard D. Irwin, Inc. , 1958
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Kelley, Eugene J.
Managerial marketing : perspectives and viewpoints a source book / by Eugene J. Kelley and William Lazer
Irwin , 1967
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Nash, Edward L.
Direct marketing : strategy, planning, execution
McGraw-Hill, 1986
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Perreault, William D.
Basic marketing : a marketing strategy planning approach
McGraw-Hill, 2014
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