Cita APA (7th ed.)
ebrary, Inc, Shipman, J. P., & Watstein, S. (2005). Reference services review. Emerald Group Publishing.
Cita Chicago (17th ed.)
ebrary, Inc, Jean P. Shipman, i Sarah Watstein. Reference Services Review. Bradford, England: Emerald Group Publishing, 2005.
Cita MLA (9th ed.)
ebrary, Inc, et al. Reference Services Review. Emerald Group Publishing, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.