Cita APA (7th ed.)

Ramirez, E. V. (1987). Reviewer handbook on Philippine engineering laws, ethics, contracts and specifications (New ed.). Distributed by Visayan Educational Supply Corp.

Cita Chicago (17th ed.)

Ramirez, Efren Vilbar. Reviewer Handbook on Philippine Engineering Laws, Ethics, Contracts and Specifications. New ed. Cebu City: Distributed by Visayan Educational Supply Corp, 1987.

Cita MLA (9th ed.)

Ramirez, Efren Vilbar. Reviewer Handbook on Philippine Engineering Laws, Ethics, Contracts and Specifications. New ed. Distributed by Visayan Educational Supply Corp, 1987.