Cita APA (7th ed.)

Difuntorum, L. M. N., Gabaon, J. F. M., & Paynor, E. K. P. (2002). A Feasibility Study on Cordierite-Based Products. College of Engineering.

Cita Chicago (17th ed.)

Difuntorum, Lee Michael N., Jennifer Frances M. Gabaon, i Edgar Kevin P. Paynor. A Feasibility Study on Cordierite-Based Products. Diliman, Quezon City: College of Engineering, 2002.

Cita MLA (9th ed.)

Difuntorum, Lee Michael N., et al. A Feasibility Study on Cordierite-Based Products. College of Engineering, 2002.