Cita APA (7th ed.)

Gopez, A. J. R., & Alcantar, L. A. (1991). Technical note: Philippine country report: welding, metal forming and metal casting sector. Philippine Engineering Journal.

Cita Chicago (17th ed.)

Gopez, Adolfo Jesus R., i Leonardo A. Alcantar. "Technical Note: Philippine Country Report: Welding, Metal Forming and Metal Casting Sector." Philippine Engineering Journal 1991.

Cita MLA (9th ed.)

Gopez, Adolfo Jesus R., i Leonardo A. Alcantar. "Technical Note: Philippine Country Report: Welding, Metal Forming and Metal Casting Sector." Philippine Engineering Journal, 1991.