Deriada, G. J., Funesto, L., Gutierrez, I. F. T. B., & Ng, L. W. (2002). A Total systems study on the Ninoy Aquino Parks and Wildlife Nature Center (NAPWNC). College of Engineering.
Chicago-viite (17. p.)Deriada, Gerard John, Lim Funesto, Isa Fe Teodorica B. Gutierrez, ja Lydia W. Ng. A Total Systems Study on the Ninoy Aquino Parks and Wildlife Nature Center (NAPWNC). Diliman, Quezon City: College of Engineering, 2002.
MLA-viite (9. p.)Deriada, Gerard John, et al. A Total Systems Study on the Ninoy Aquino Parks and Wildlife Nature Center (NAPWNC). College of Engineering, 2002.
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