APA (7th ed.) Zitazioa
Guggenheimer, P., & Szulc, M. D. (1998). Understanding leadership competencies: Creating tomorrow's leaders today. Crisp.
Chicago Style (17th ed.) Zitazioa
Guggenheimer, Patricia, eta Mary Diana Szulc. Understanding Leadership Competencies: Creating Tomorrow's Leaders Today. Menlo Park, Calif.: Crisp, 1998.
MLA (9th ed.) Zitazioa
Guggenheimer, Patricia, eta Mary Diana Szulc. Understanding Leadership Competencies: Creating Tomorrow's Leaders Today. Crisp, 1998.
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