APA aipamena

Abuzo, A. A., Sigua, R. G., & Vergel, K. N. (2004). Development of drive cycle and emission concentration models for in-use tricycles in Metro Manila. Philippine Engineering Journal.

Chicago Style aipamena

Abuzo, Anabel A., Ricardo G. Sigua, and Karl N. Vergel. "Development of Drive Cycle and Emission Concentration Models for In-use Tricycles in Metro Manila." Philippine Engineering Journal 2004.

MLA aipamena

Abuzo, Anabel A., et al. "Development of Drive Cycle and Emission Concentration Models for In-use Tricycles in Metro Manila." Philippine Engineering Journal, 2004.