Rex Editorial Staff. (1981). Engineering laws of the Philippines with related laws (1981 1st ed.). Rex Book Store.
Cita Chicago (17th ed.)Rex Editorial Staff. Engineering Laws of the Philippines with Related Laws. 1981 1st ed. Manila: Rex Book Store, 1981.
Cita MLA (9th ed.)Rex Editorial Staff. Engineering Laws of the Philippines with Related Laws. 1981 1st ed. Rex Book Store, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.