APA aipamena

Heifetz, R. A. (1994). Leadership without easy answers. Belknap Press of Harvard University Press.

Chicago Style aipamena

Heifetz, Ronald A. Leadership Without Easy Answers. Cambridge, Mass.: Belknap Press of Harvard University Press, 1994.

MLA aipamena

Heifetz, Ronald A. Leadership Without Easy Answers. Belknap Press of Harvard University Press, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.