Cook, C., Heath, F. M., & Thompson, B. (2003). "Zones of Tolerance" in Perceptions of Library Service Quality: A LibQUAL+[TM] Study.
Citazione stile Chigago Style (17a edizione)Cook, Colleen, Fred M. Heath, e Bruce Thompson. "Zones of Tolerance" in Perceptions of Library Service Quality: A LibQUAL+[TM] Study. 2003.
Citatione MLA (9a ed.)Cook, Colleen, et al. "Zones of Tolerance" in Perceptions of Library Service Quality: A LibQUAL+[TM] Study. 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.