Matteson, M., Salamon, J., & Brewster, L. (2011). A Systematic Review of Research on Live Chat Service. American Library Association. https://doi.org/10.5860/rusq.51n2.172
Matteson, Miriam, Jennifer Salamon, and Lindy Brewster. 2011. “A Systematic Review of Research on Live Chat Service”. American Library Association. https://doi.org/10.5860/rusq.51n2.172.
Matteson, M., J. Salamon, and L. Brewster. A Systematic Review of Research on Live Chat Service. American Library Association, 1 Jan. 2011, doi:10.5860/rusq.51n2.172.