APA (7e ed.) Bronvermelding
Curtis, B., Hefley, W. E., & Miller, S. A. The People Capability Maturity Model: Guidelines for Improving the Workforce. Addison-Wesley.
Chicago (17e ed.) Bronvermelding
Curtis, Bill, William E. Hefley, en Sally A. Miller. The People Capability Maturity Model: Guidelines for Improving the Workforce. Boston, EUA: Addison-Wesley.
MLA (9e ed.) Bronvermelding
Curtis, Bill, et al. The People Capability Maturity Model: Guidelines for Improving the Workforce. Addison-Wesley.
Let op: Deze citaties zijn niet altijd 100% accuraat.