APA (7th ed.) Citation

Ong, J. L. (1996). Precise frequency generation with digital modulation using direct digital synthesis. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Ong, Johann L. "Precise Frequency Generation with Digital Modulation Using Direct Digital Synthesis." Philippine Engineering Journal 1996.

MLA (9th ed.) Citation

Ong, Johann L. "Precise Frequency Generation with Digital Modulation Using Direct Digital Synthesis." Philippine Engineering Journal, 1996.