Cita APA

Liu, J. (2007). The evaluation of worldwide digital reference services in libraries. Oxford, England: Chandos Publishing.

Citación estilo Chicago

Liu, Jia. The Evaluation of Worldwide Digital Reference Services in Libraries. Oxford, England: Chandos Publishing, 2007.

Cita MLA

Liu, Jia. The Evaluation of Worldwide Digital Reference Services in Libraries. Oxford, England: Chandos Publishing, 2007.