(2004). UPCOE-NEC technical bulletin. UP Engineering Research and Development Foundation, Inc.
Citazione stile Chigago Style (17a edizione)UPCOE-NEC Technical Bulletin. Quezon City: UP Engineering Research and Development Foundation, Inc, 2004.
Citatione MLA (9a ed.)UPCOE-NEC Technical Bulletin. UP Engineering Research and Development Foundation, Inc, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.