توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Koay, A. N. (2004). Long-term intraocular pressure outcome following an attack of acute primary angle closure: The Penang Hospital's experience. Fakulti Perubatan, Universiti Kebangsaan Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Koay, Aun Na. Long-term Intraocular Pressure Outcome Following an Attack of Acute Primary Angle Closure: The Penang Hospital's Experience. Kuala Lumpur: Fakulti Perubatan, Universiti Kebangsaan Malaysia, 2004.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Koay, Aun Na. Long-term Intraocular Pressure Outcome Following an Attack of Acute Primary Angle Closure: The Penang Hospital's Experience. Fakulti Perubatan, Universiti Kebangsaan Malaysia, 2004.