APA (7 ম সংস্করণ) উদ্ধৃতি

Davis, E. W., & Spekman, R. E. (2004). The extended enterprise: Gaining competitive advantage through collaborative supply chains. Prentice-Hall.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Davis, Edward W., এবং Robert E. Spekman. The Extended Enterprise: Gaining Competitive Advantage Through Collaborative Supply Chains. Upper Saddle River, USA: Prentice-Hall, 2004.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Davis, Edward W., এবং Robert E. Spekman. The Extended Enterprise: Gaining Competitive Advantage Through Collaborative Supply Chains. Prentice-Hall, 2004.