RSM McGladrey, Inc, American Water Works Association, & ebrary, Inc. (2009). Water workforce trends: Impact of the 2009 economy : a comprehensive survey. American Water Works Association.
Citazione stile Chigago Style (17a edizione)RSM McGladrey, Inc, American Water Works Association, e Inc ebrary. Water Workforce Trends: Impact of the 2009 Economy : A Comprehensive Survey. Denver, Colo.: American Water Works Association, 2009.
Citatione MLA (9a ed.)RSM McGladrey, Inc, et al. Water Workforce Trends: Impact of the 2009 Economy : A Comprehensive Survey. American Water Works Association, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.