APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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