Ali, A. (2004). Reference service and the digital sources of information. Ess Ess Publications.
Style de citation Chicago (17e éd.)Ali, Amjad. Reference Service and the Digital Sources of Information. New Delhi: Ess Ess Publications, 2004.
Style de citation MLA (9e éd.)Ali, Amjad. Reference Service and the Digital Sources of Information. Ess Ess Publications, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.