Gaya APA
O'Toole, J. (2003).
Leadership a to z: a huide for the appropriately ambitious (Ed. 1).
Jakarta:
Penerbit Erlangga.
Gaya MLA
O'Toole, James.
"Leadership a to z: a huide for the appropriately ambitious".
Ed. 1
Jakarta:
Penerbit Erlangga,
2003.
UMUM.