International Association of Hydrological Sciences & Kavvas, K. L. (1989). New directions for surface water modeling: Proceedings of a symposium held during the third scientific assembly of the International Association of Hydrological Sciences at Baltimore, Maryland, USA, May 1989 ; organized by the IAHS International Commission on Surface Water. U.K.
Chicago-referens (17:e uppl.)International Association of Hydrological Sciences och K. L. Kavvas. New Directions for Surface Water Modeling: Proceedings of a Symposium Held During the Third Scientific Assembly of the International Association of Hydrological Sciences at Baltimore, Maryland, USA, May 1989 ; Organized by the IAHS International Commission on Surface Water. Oxfordshire: U.K, 1989.
MLA-referens (9:e uppl.)International Association of Hydrological Sciences och K. L. Kavvas. New Directions for Surface Water Modeling: Proceedings of a Symposium Held During the Third Scientific Assembly of the International Association of Hydrological Sciences at Baltimore, Maryland, USA, May 1989 ; Organized by the IAHS International Commission on Surface Water. U.K, 1989.