Gopez, A. J. R., & Alcantar, L. A. (1991). Technical note: Philippine country report: welding, metal forming and metal casting sector. Philippine Engineering Journal.
Chicagoスタイル(17版)引用形式Gopez, Adolfo Jesus R., , Leonardo A. Alcantar. "Technical Note: Philippine Country Report: Welding, Metal Forming and Metal Casting Sector." Philippine Engineering Journal 1991.
MLA(9版)引用形式Gopez, Adolfo Jesus R., , Leonardo A. Alcantar. "Technical Note: Philippine Country Report: Welding, Metal Forming and Metal Casting Sector." Philippine Engineering Journal, 1991.
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