Cita APA (7th ed.)

Cruz, I. E., & Lim, D. L. (1989). Coal-water slurry (CWS) optimization, flow and combustion tests at the University of the Philippines. Philippine Engineering Journal.

Cita Chicago (17th ed.)

Cruz, Ibarra E., i Daniel L. Lim. "Coal-water Slurry (CWS) Optimization, Flow and Combustion Tests at the University of the Philippines." Philippine Engineering Journal 1989.

Cita MLA (9th ed.)

Cruz, Ibarra E., i Daniel L. Lim. "Coal-water Slurry (CWS) Optimization, Flow and Combustion Tests at the University of the Philippines." Philippine Engineering Journal, 1989.