APA (7th ed.) Citation

Robles, G. S. (1955). Engineering and architectural laws of the Philippines. s. n.

Chicago Style (17th ed.) Citation

Robles, Gonzalo S. Engineering and Architectural Laws of the Philippines. Manila: s. n, 1955.

MLA (9th ed.) Citation

Robles, Gonzalo S. Engineering and Architectural Laws of the Philippines. s. n, 1955.

Warning: These citations may not always be 100% accurate.