Howard, J. (2009). Publishers Face Pressure from Libraries to Freeze Prices and Cut Deals.
Citazione stile Chigago Style (17a edizione)Howard, Jennifer. Publishers Face Pressure from Libraries to Freeze Prices and Cut Deals. 2009.
Citatione MLA (9a ed.)Howard, Jennifer. Publishers Face Pressure from Libraries to Freeze Prices and Cut Deals. 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.