SELTZ DAVID D. (1981). HOW TO PREPARE EFFECTIVE BUSINESS PROGRAM .... BLUE PRINT. ADDISON-WESLEY.
Cita Chicago (17th ed.)SELTZ DAVID D. HOW TO PREPARE EFFECTIVE BUSINESS PROGRAM .... BLUE PRINT. CALIFORNIA: ADDISON-WESLEY, 1981.
Cita MLA (9th ed.)SELTZ DAVID D. HOW TO PREPARE EFFECTIVE BUSINESS PROGRAM .... BLUE PRINT. ADDISON-WESLEY, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.