Cita APA (7th ed.)

Castillo, R., Gonzales, F., Martin, M., & Villar, B. (1990). Project feasibility study on the manufacture of Rha-lime cements. College of Engineering.

Cita Chicago (17th ed.)

Castillo, Raffy, Francis Gonzales, Matt Martin, i Barry Villar. Project Feasibility Study on the Manufacture of Rha-lime Cements. Diliman, Quezon City: College of Engineering, 1990.

Cita MLA (9th ed.)

Castillo, Raffy, et al. Project Feasibility Study on the Manufacture of Rha-lime Cements. College of Engineering, 1990.