Na, J. (2017). Preparation and professional development of secondary school principals' leadership in Henan province, China.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Na, Jiang. Preparation and Professional Development of Secondary School Principals' Leadership in Henan Province, China. 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Na, Jiang. Preparation and Professional Development of Secondary School Principals' Leadership in Henan Province, China. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.