توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Hagel, J., & Brown, J. S. (2005). The only sustainable edge: Why business strategy depends on productive friction and dynamic specialization. Harvard Business School Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Hagel, John, و John Seely67012 Brown. The Only Sustainable Edge: Why Business Strategy Depends on Productive Friction and Dynamic Specialization. Boston: Harvard Business School Press, 2005.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Hagel, John, و John Seely67012 Brown. The Only Sustainable Edge: Why Business Strategy Depends on Productive Friction and Dynamic Specialization. Harvard Business School Press, 2005.