Hirko, B., & Ross, M. B. (2004). Virtual reference training: The complete guide to providing anytime, anywhere answers. American Library Association.
Style de citation Chicago (17e éd.)Hirko, Buff, et Mary Bucher Ross. Virtual Reference Training: The Complete Guide to Providing Anytime, Anywhere Answers. Chicago: American Library Association, 2004.
Style de citation MLA (9e éd.)Hirko, Buff, et Mary Bucher Ross. Virtual Reference Training: The Complete Guide to Providing Anytime, Anywhere Answers. American Library Association, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.