Gaya APA

Frohman, D., Howard, R. (2008). Leadership the hard way : why leadership can't be taught-and how you can learn it anyway . Amerika: Jossey-Bass.

Gaya MLA

Frohman, Dov., Howard, Robert. "Leadership the hard way : why leadership can't be taught-and how you can learn it anyway". Amerika: Jossey-Bass, 2008. BUKU TEKS.