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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSridorungkatum, 247135 Santi, और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSridorungkatum, 247135 Santi, और 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.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.