Lancaster, F. W., & Goldhor, H. (1981). The Impact of Online Services on Subscriptions to Printed Publications.
Citazione stile Chigago Style (17a edizione)Lancaster, F. W., e Herbert Goldhor. The Impact of Online Services on Subscriptions to Printed Publications. 1981.
Citatione MLA (9a ed.)Lancaster, F. W., e Herbert Goldhor. The Impact of Online Services on Subscriptions to Printed Publications. 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.