Gaya APA
Willingham, Ron. (1997).
The people principle : a revolutionary redefinition of leadership (Cetakan Pertama).
United States of America:
St. Martin\'s Press.
Gaya Chicago
Willingham, Ron.
The people principle : a revolutionary redefinition of leadership.
Cetakan Pertama
United States of America:
St. Martin\'s Press,
1997.
Text.
Gaya MLA
Willingham, Ron.
The people principle : a revolutionary redefinition of leadership.
Cetakan Pertama
United States of America:
St. Martin\'s Press,
1997.
Text.
Gaya Turabian
Willingham, Ron.
The people principle : a revolutionary redefinition of leadership.
Cetakan Pertama
United States of America:
St. Martin\'s Press,
1997.
Print.