World meteorological organization. (1966). WMO technical note No.81: Some methods of climatological analysis. World meteorological organization.
استشهاد بنمط شيكاغوWorld meteorological organization. WMO Technical Note No.81: Some Methods of Climatological Analysis. Geneva: World meteorological organization, 1966.
MLA استشهادWorld meteorological organization. WMO Technical Note No.81: Some Methods of Climatological Analysis. World meteorological organization, 1966.
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