Ramirez, E. V. (1987). Reviewer handbook on Philippine engineering laws, ethics, contracts and specifications (New ed.). Distributed by Visayan Educational Supply Corp.
Citação do estilo Chicago (17ª 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.
Citação MLA (9ª ed.)Ramirez, Efren Vilbar. Reviewer Handbook on Philippine Engineering Laws, Ethics, Contracts and Specifications. New ed. Distributed by Visayan Educational Supply Corp, 1987.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.