APA način citiranja (7. izdanje)

GORDON JOSEPH M. (2002). SIX SIGMA QUALITY FOR BUSINESS & MANUFACTURE. ELSEVIER.

Čikaški stil citiranja (17. izdanje)

GORDON JOSEPH M. SIX SIGMA QUALITY FOR BUSINESS & MANUFACTURE. AMSTERDAM: ELSEVIER, 2002.

MLA način citiranja (9. izdanje)

GORDON JOSEPH M. SIX SIGMA QUALITY FOR BUSINESS & MANUFACTURE. ELSEVIER, 2002.