Pratt, C. D., & Vadetzsky, E. d. (1970). Twenty years of confectionery and chocolate progress: From the proceedings of the 1947 to 1966 annual production conferences of the Pennsylvania Manufacturing Confectioners' Association. Connecticut: The Avı Publishing Company.
Chicago Style CitationPratt, Carl D.,, and Eleanore de Vadetzsky. Twenty Years of Confectionery and Chocolate Progress: From the Proceedings of the 1947 to 1966 Annual Production Conferences of the Pennsylvania Manufacturing Confectioners' Association. Connecticut: The Avı Publishing Company, 1970.
MLA CitationPratt, Carl D.,, and Eleanore de Vadetzsky. Twenty Years of Confectionery and Chocolate Progress: From the Proceedings of the 1947 to 1966 Annual Production Conferences of the Pennsylvania Manufacturing Confectioners' Association. Connecticut: The Avı Publishing Company, 1970.