Nickels, W. G. (1982). Marketing principles. Englewood Cliffs, N.J: Prentice-Hall.
Trích dẫn kiểu ChicagoNickels, William G. Marketing Principles. Englewood Cliffs, N.J: Prentice-Hall, 1982.
MLA CitationNickels, William G. Marketing Principles. Englewood Cliffs, N.J: Prentice-Hall, 1982.
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