Cruz, T. Non-destructive testing and inspection. Philippine Engineering Journal.
Citazione stile Chigago Style (17a edizione)Cruz, Tagumpay. "Non-destructive Testing and Inspection." Philippine Engineering Journal .
Citatione MLA (9a ed.)Cruz, Tagumpay. "Non-destructive Testing and Inspection." Philippine Engineering Journal, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.