Rex Editorial Staff. (1981). Engineering laws of the Philippines with related laws (1981 1st ed.). Rex Book Store.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRex Editorial Staff. Engineering Laws of the Philippines with Related Laws. 1981 1st ed. Manila: Rex Book Store, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRex Editorial Staff. Engineering Laws of the Philippines with Related Laws. 1981 1st ed. Rex Book Store, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.