Cita APA (7a ed.)
(2011). Times Paywall Case Study: How to Respond to Declining Copy Sales & Online Content. Marketline.
Cita Chicago Style (17a ed.)
Times Paywall Case Study: How to Respond to Declining Copy Sales & Online Content. Marketline, 2011.
Cita MLA (9a ed.)
Times Paywall Case Study: How to Respond to Declining Copy Sales & Online Content. Marketline, 2011.
Precaución: Estas citas no son 100% exactas.