Harper, D. V. (1966). Price policy and procedure. Under the general editorship of William F. Massy. Harcourt, Brace and World.
Chicago Style (17. basım) AtıfHarper, Donald Victor. Price Policy and Procedure. Under the General Editorship of William F. Massy. New York: Harcourt, Brace and World, 1966.
MLA (9th ed.) AtıfHarper, Donald Victor. Price Policy and Procedure. Under the General Editorship of William F. Massy. Harcourt, Brace and World, 1966.
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