Dyfyniad APA

Holtje, H. F. (1981). Schaum's outline of theory and problems of marketing. Mc graw hill book company.

Dyfyniad Arddull Chicago

Holtje, Herbert F. Schaum's Outline of Theory and Problems of Marketing. New York: Mc graw hill book company, 1981.

Dyfyniad MLA

Holtje, Herbert F. Schaum's Outline of Theory and Problems of Marketing. Mc graw hill book company, 1981.

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