Inter-Regional Conference "Environment-Water: Innovative Issues in Irrigation and Drainage" Lisbon, Portugal, International Commission on Irrigation and Drainage. Portuguese National Committee, Pereira, L. S., & Gowing, J. W. (1998). Water and the environment: Innovation issues in irrigation and drainage. E & FN Spon.
Cita Chicago Style (17a ed.)Inter-Regional Conference "Environment-Water: Innovative Issues in Irrigation and Drainage" Lisbon, Portugal, International Commission on Irrigation and Drainage. Portuguese National Committee, L. S. Pereira, y John W. Gowing. Water and the Environment: Innovation Issues in Irrigation and Drainage. New York: E & FN Spon, 1998.
Cita MLA (8a ed.)Inter-Regional Conference "Environment-Water: Innovative Issues in Irrigation and Drainage" Lisbon, Portugal, et al. Water and the Environment: Innovation Issues in Irrigation and Drainage. E & FN Spon, 1998.