توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

GRAYSON, C. J. (1988). American Business, A Two-minute Warning En Changes Managers Must Make To Survice Into The 21st Century C. Jackson Grayson And Carla O'dell. the Free Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

GRAYSON, C. Jackson. American Business, A Two-minute Warning En Changes Managers Must Make To Survice Into The 21st Century C. Jackson Grayson And Carla O'dell. the Free Press, 1988.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

GRAYSON, C. Jackson. American Business, A Two-minute Warning En Changes Managers Must Make To Survice Into The 21st Century C. Jackson Grayson And Carla O'dell. the Free Press, 1988.