Austria, C. M., Co, L. L., Romero, R. B., Colting, R. D., Giron, O. D., Angnged, R., . . . Ferrer, F. (1999). Bio-physical effects of land use conversion in Paoay and Mount Data. Cordillera Studies Center, University of the Philippines College Baguio.
Chicago (17e ed.) BronvermeldingAustria, Celia M., Leonard L. Co, Roland B. Romero, Rogelio D. Colting, Ofelia DLC Giron, Rivalyn Angnged, Carol Balangue, en Francis Ferrer. Bio-physical Effects of Land Use Conversion in Paoay and Mount Data. Baguio City: Cordillera Studies Center, University of the Philippines College Baguio, 1999.
MLA (9e ed.) BronvermeldingAustria, Celia M., et al. Bio-physical Effects of Land Use Conversion in Paoay and Mount Data. Cordillera Studies Center, University of the Philippines College Baguio, 1999.