Cita APA (7a ed.)

Blanchard ,ken. (1999). Ledership by book ; tools to transform your work place. Harpercollins.

Cita Chicago Style (17a ed.)

Blanchard ,ken. Ledership by Book ; Tools to Transform Your Work Place. London: Harpercollins, 1999.

Cita MLA (9a ed.)

Blanchard ,ken. Ledership by Book ; Tools to Transform Your Work Place. Harpercollins, 1999.