Gopez, A. J. R. Perspectives on the training and education of world class engineers. Philippine Engineering Journal.
Čikaški stil citiranja (17. izdanje)Gopez, Adolfo Jesus R. "Perspectives on the Training and Education of World Class Engineers." Philippine Engineering Journal .
MLA način citiranja (9. izdanje)Gopez, Adolfo Jesus R. "Perspectives on the Training and Education of World Class Engineers." Philippine Engineering Journal, .
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