APA-viite (7. p.)

Deriada, G. J., Funesto, J., & Limgenco, M. M. H. (2001). A Feasibility study on PET Recycling in the Philippines. College of Engineering.

Chicago-viite (17. p.)

Deriada, Gerard John, Jim Funesto, ja Margaret Marie H. Limgenco. A Feasibility Study on PET Recycling in the Philippines. Diliman, Quezon City: College of Engineering, 2001.

MLA-viite (9. p.)

Deriada, Gerard John, et al. A Feasibility Study on PET Recycling in the Philippines. College of Engineering, 2001.