Gaya APA
Gallagher, D, P., Costal, J. (2012).
The Self-Aware Leader : A Proven Model for Reinventing Yourself .
Wyman Street, Usa:
Astd Press.
Gaya MLA
Gallagher, Daniel, P.., Costal, Joseph.
"The Self-Aware Leader : A Proven Model for Reinventing Yourself".
Wyman Street, Usa:
Astd Press,
2012.
.