توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Ngian, H. U. (2007). Commitment on quality initiatives and its determinants among public hospital managers in Sarawak. Faculty of Medicine, Universiti Kebangsaan Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ngian, Hie Ung. Commitment on Quality Initiatives and Its Determinants Among Public Hospital Managers in Sarawak. Kuala Lumpur: Faculty of Medicine, Universiti Kebangsaan Malaysia, 2007.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Ngian, Hie Ung. Commitment on Quality Initiatives and Its Determinants Among Public Hospital Managers in Sarawak. Faculty of Medicine, Universiti Kebangsaan Malaysia, 2007.