Sridorungkatum, 2. S., & Ngourungsi, C. (1987). Technology manual on concrete hollow blocks. Metro Manila, Philippines : Regional Network in Asia for Low-Cost Building Materials Technologies and Construction Systems.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sridorungkatum, 247135 Santi, و Chalermchai Ngourungsi. Technology Manual on Concrete Hollow Blocks. Metro Manila, Philippines : Regional Network in Asia for Low-Cost Building Materials Technologies and Construction Systems, 1987.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sridorungkatum, 247135 Santi, و Chalermchai Ngourungsi. Technology Manual on Concrete Hollow Blocks. Metro Manila, Philippines : Regional Network in Asia for Low-Cost Building Materials Technologies and Construction Systems, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.