Technical regulations :
hydrology and international hydrological codes /
World Meteorological Organization.
APA Citation
World Meteorological Organization. (1980). Technical regulations: hydrology and international hydrological codes. 1980 ed. Geneva: Secretariat of the World Meteorological Organization.
MLA Citation
World Meteorological Organization. Technical Regulations: Hydrology And International Hydrological Codes. 1980 ed. Geneva: Secretariat of the World Meteorological Organization, 1980.
Warning: These citations may not always be complete (especially for serials).