Steiner, S. K., & Madden, M. L. (2008). The desk and beyond: Next generation reference services. Association of College and Research Libraries.
Citazione stile Chigago Style (17a edizione)Steiner, Sarah K., e M. Leslie Madden. The Desk and Beyond: Next Generation Reference Services. Chicago: Association of College and Research Libraries, 2008.
Citatione MLA (9a ed.)Steiner, Sarah K., e M. Leslie Madden. The Desk and Beyond: Next Generation Reference Services. Association of College and Research Libraries, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.