TY - BOOK AU - Wentz,Walter B. AU - Eyrich,Gerald I. TI - Marketing: theory and application T2 - Harbrace series in business and economics SN - 0155551108 U1 - 658.8 23 PY - 1970/// CY - New York PB - Harcourt, Brace & World KW - Marketing N1 - Includes index ER -