Castor, N. R. G., Doronila, V. A. C., Rasco, J. R. E., Hong, F. L., & Luis, P. C. (1993). Integrated forest protection center for Subic watershed and national park.
Cita Chicago (17th ed.)Castor, Neil Randall G., Vincent Angelo C. Doronila, Jose Ronaldo E. Rasco, Froilan L. Hong, i Prosperidad C. Luis. Integrated Forest Protection Center for Subic Watershed and National Park. 1993.
Cita MLA (9th ed.)Castor, Neil Randall G., et al. Integrated Forest Protection Center for Subic Watershed and National Park. 1993.
Atenció: Aquestes cites poden no estar 100% correctes.