APA način citiranja (7. izdanje)

Zook, C. (2004). Beyond the Core: Expand Your Market without Abandoning Your Roots. Harvard Business Review Press.

Čikaški stil citiranja (17. izdanje)

Zook, Chris. Beyond the Core: Expand Your Market Without Abandoning Your Roots. Boston, Massachesutts: Harvard Business Review Press, 2004.

MLA način citiranja (9. izdanje)

Zook, Chris. Beyond the Core: Expand Your Market Without Abandoning Your Roots. Harvard Business Review Press, 2004.