Van House, N. A., & Childers, T. (1990). Dimensions of Public Library Effectiveness II: Library Performance.
Citazione stile Chigago Style (17a edizione)Van House, Nancy A., e Thomas Childers. Dimensions of Public Library Effectiveness II: Library Performance. 1990.
Citatione MLA (9a ed.)Van House, Nancy A., e Thomas Childers. Dimensions of Public Library Effectiveness II: Library Performance. 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.