Cita APA (7th ed.)

Philippines & Nolledo, J. N. (1978). The Philippine engineering laws. National Book Store.

Cita Chicago (17th ed.)

Philippines i Jose N. Nolledo. The Philippine Engineering Laws. Manila: National Book Store, 1978.

Cita MLA (9th ed.)

Philippines i Jose N. Nolledo. The Philippine Engineering Laws. National Book Store, 1978.