Abis, L. V. (1981). The technical panels-the technical panel for engineering education experience. Philippine Engineering Journal.
Citazione stile Chigago Style (17a edizione)Abis, Leopoldo V. "The Technical Panels-the Technical Panel for Engineering Education Experience." Philippine Engineering Journal 1981.
Citatione MLA (9a ed.)Abis, Leopoldo V. "The Technical Panels-the Technical Panel for Engineering Education Experience." Philippine Engineering Journal, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.