APA način citiranja

Eckes, G. (2005). Six sigma execution: How the world’s greatest companies live and breathe six sigma. New York: McGraw-Hill.

Čikaški stil citiranja

Eckes, George. Six Sigma Execution: How the World’s Greatest Companies Live and Breathe Six Sigma. New York: McGraw-Hill, 2005.

MLA način citiranja

Eckes, George. Six Sigma Execution: How the World’s Greatest Companies Live and Breathe Six Sigma. New York: McGraw-Hill, 2005.