APA

International Congress on Irrigation and Drainage, . (1999). General reports =. New Delhi, India: International Commission on Irrigation and Drainage.

Chicago

International Congress on Irrigation and Drainage, . 1999. General reports =. New Delhi, India: International Commission on Irrigation and Drainage.

Harvard

International Congress on Irrigation and Drainage, . (1999). General reports =. New Delhi, India: International Commission on Irrigation and Drainage.

MLA

International Congress on Irrigation and Drainage, . General reports =. New Delhi, India: International Commission on Irrigation and Drainage. 1999.