Cita APA (7th ed.)

Olvidado, I., Ponferrada, R., & Tan, K. (2002). A Feasibility study on TOP Recyclers Inc. College of Engineering.

Cita Chicago (17th ed.)

Olvidado, Ingrid, Regidor Ponferrada, i Katheryn Tan. A Feasibility Study on TOP Recyclers Inc. Diliman, Quezon City: College of Engineering, 2002.

Cita MLA (9th ed.)

Olvidado, Ingrid, et al. A Feasibility Study on TOP Recyclers Inc. College of Engineering, 2002.