Cita APA (7th ed.)

(2004). UPCOE-NEC technical bulletin. UP Engineering Research and Development Foundation, Inc.

Cita Chicago (17th ed.)

UPCOE-NEC Technical Bulletin. Quezon City: UP Engineering Research and Development Foundation, Inc, 2004.

Cita MLA (9th ed.)

UPCOE-NEC Technical Bulletin. UP Engineering Research and Development Foundation, Inc, 2004.