Gaya APA
Kouzes, J., Posner, B.
(2014).
Turning Adversity Into Opportunity
(
Edisi Pertama)
.
USA:
Jossey-Bass.
Gaya MLA
Kouzes, James., Posner, Barry.
"Turning Adversity Into Opportunity".
Edisi Pertama
USA:
Jossey-Bass,
2014.
Text.