Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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