Cita APA

Covey, S. R. (2002). Principle centered leadership. Pocket books.

Citación estilo Chicago

Covey, Stephen R. Principle Centered Leadership. London.: Pocket books, 2002.

Cita MLA

Covey, Stephen R. Principle Centered Leadership. Pocket books, 2002.

Warning: These citations may not always be 100% accurate.