Haj Youssef, M. (2017). The effects of inter- and intra-cultural variations on managerial discretion and the implications for national competitiveness.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Haj Youssef, Moustafa. The Effects of Inter- and Intra-cultural Variations on Managerial Discretion and the Implications for National Competitiveness. 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Haj Youssef, Moustafa. The Effects of Inter- and Intra-cultural Variations on Managerial Discretion and the Implications for National Competitiveness. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.