Citazione APA

Hughes, R. L., Crinnett, C., & Curphy, G. J. (1999). Leadership: Enhancing the lessons of experience (3rd ed.). Irwin McGraw Hill.

Stile di citazione Chicago

Hughes, Richard L., C. Crinnett, e Gordon J. Curphy. Leadership: Enhancing the Lessons of Experience. 3rd ed. Boston: Irwin McGraw Hill, 1999.

Citazione MLA

Hughes, Richard L., et al. Leadership: Enhancing the Lessons of Experience. 3rd ed. Irwin McGraw Hill, 1999.