APA (7th ed.) Citation

Portillo, R. R. (2003). Research and technical writing. Trinitas Pub.

Chicago Style (17th ed.) Citation

Portillo, Reynaldo R. Research and Technical Writing. Bulacan: Trinitas Pub, 2003.

MLA (9th ed.) Citation

Portillo, Reynaldo R. Research and Technical Writing. Trinitas Pub, 2003.

Warning: These citations may not always be 100% accurate.