(2005). Media product portfolios: Issues in management of multiple products and servicesEditor: Robert G. Picard. Lawrence Erlbaum Associates.
Chicago-viite (17. p.)Media Product Portfolios: Issues in Management of Multiple Products and ServicesEditor: Robert G. Picard. Lawrence Erlbaum Associates, 2005.
MLA-viite (8. p.)Media Product Portfolios: Issues in Management of Multiple Products and ServicesEditor: Robert G. Picard. Lawrence Erlbaum Associates, 2005.
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