APA aipamena

Manning George, & Curtis Kent. (2008). The Art of Leadership. American: McGraw -Hill.

Chicago Style aipamena

Manning George, và Curtis Kent. The Art of Leadership. American: McGraw -Hill, 2008.

MLA aipamena

Manning George, và Curtis Kent. The Art of Leadership. American: McGraw -Hill, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.