Gaya APA
Tichy, N, M.
(2003).
The Ethical Challenge : How to Lead with Unyielding Integrity
.
America:
Jossey-Bass.
Gaya MLA
Tichy, Noel, M..
"The Ethical Challenge : How to Lead with Unyielding Integrity".
America:
Jossey-Bass,
2003.
Buku.