Haar, J. M. (1986). The Politics of Information: Libraries and Online Retrieval Systems.
Citazione stile Chigago Style (17a edizione)Haar, John M. The Politics of Information: Libraries and Online Retrieval Systems. 1986.
Citatione MLA (9a ed.)Haar, John M. The Politics of Information: Libraries and Online Retrieval Systems. 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.