Liu, J. D. (2007). The evaluation of worldwide digital reference services in libraries. Chandos Publishing.
Style de citation Chicago (17e éd.)Liu, Jia Dr. The Evaluation of Worldwide Digital Reference Services in Libraries. Oxford (England): Chandos Publishing, 2007.
Style de citation MLA (8e éd.)Liu, Jia Dr. The Evaluation of Worldwide Digital Reference Services in Libraries. Chandos Publishing, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.