Cheong, K. W. (2002). The petrography, engineering characteristics and resource of the construction rock aggregates in the Kuala Lumpur Federal Territory and Central Selangor Region, Peninsular Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cheong, Khai Wing. The Petrography, Engineering Characteristics and Resource of the Construction Rock Aggregates in the Kuala Lumpur Federal Territory and Central Selangor Region, Peninsular Malaysia. 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cheong, Khai Wing. The Petrography, Engineering Characteristics and Resource of the Construction Rock Aggregates in the Kuala Lumpur Federal Territory and Central Selangor Region, Peninsular Malaysia. 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.