Gaya APA
O'Toole, J. (2003).
Leadership A to Z : guide for the appropriately ambitious / panduan berambisi secara positif .
Jakarta:
Erlangga.
Gaya MLA
O'Toole, James.
"Leadership A to Z : guide for the appropriately ambitious / panduan berambisi secara positif".
Jakarta:
Erlangga,
2003.
Text.