(2005). Media product portfolios: Issues in management of multiple products and servicesEditor: Robert G. Picard. Lawrence Erlbaum Associates.
Chicago (17e ed.) BronvermeldingMedia Product Portfolios: Issues in Management of Multiple Products and ServicesEditor: Robert G. Picard. Lawrence Erlbaum Associates, 2005.
MLA (8e ed.) BronvermeldingMedia Product Portfolios: Issues in Management of Multiple Products and ServicesEditor: Robert G. Picard. Lawrence Erlbaum Associates, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.