Tyrer, G. (2010). Learning to lead. Continuum International Pub. Group.
Cita Chicago (17th ed.)Tyrer, Graham. Learning to Lead. New York: Continuum International Pub. Group, 2010.
Cita MLA (9th ed.)Tyrer, Graham. Learning to Lead. Continuum International Pub. Group, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.