SELTZ DAVID D. (1981). HOW TO PREPARE EFFECTIVE BUSINESS PROGRAM .... BLUE PRINT. ADDISON-WESLEY.
Chicago (17e ed.) BronvermeldingSELTZ DAVID D. HOW TO PREPARE EFFECTIVE BUSINESS PROGRAM .... BLUE PRINT. CALIFORNIA: ADDISON-WESLEY, 1981.
MLA (9e ed.) BronvermeldingSELTZ DAVID D. HOW TO PREPARE EFFECTIVE BUSINESS PROGRAM .... BLUE PRINT. ADDISON-WESLEY, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.