Castro, A., & Cezar, A. (1988). Engineering: Law, contracts, specifications, professional ethics, labor law. Published & distributed by Beta Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCastro, Anselmo, और Augustus Cezar. Engineering: Law, Contracts, Specifications, Professional Ethics, Labor Law. Metro Manila: Published & distributed by Beta Publications, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCastro, Anselmo, और Augustus Cezar. Engineering: Law, Contracts, Specifications, Professional Ethics, Labor Law. Published & distributed by Beta Publications, 1988.
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