Cabrera, M. P. (1982). Maintenance in engineering laboratories. Philippine Engineering Journal.
Citazione stile Chigago Style (17a edizione)Cabrera, Macario P. "Maintenance in Engineering Laboratories." Philippine Engineering Journal 1982.
Citatione MLA (9a ed.)Cabrera, Macario P. "Maintenance in Engineering Laboratories." Philippine Engineering Journal, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.