Dela Cruz, A. J. G. I., Dimaculangan, E. P., & Padilla, F. S. (1995). A Feasibility Study on Eco Paper Enterprises. College of Engineering.
Chicago-viite (17. p.)Dela Cruz, Alfredo Jojo G. II, Eric P. Dimaculangan, ja Ferdinand S. Padilla. A Feasibility Study on Eco Paper Enterprises. Diliman, Quezon City: College of Engineering, 1995.
MLA-viite (9. p.)Dela Cruz, Alfredo Jojo G. II, et al. A Feasibility Study on Eco Paper Enterprises. College of Engineering, 1995.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.