World Meteorological Organization. (1971). WMO.Technical Note: 8.Guide to Metrological instrument and observing practices. World Meteorological organization.
استشهاد بنمط شيكاغوWorld Meteorological Organization. WMO.Technical Note: 8.Guide to Metrological Instrument and Observing Practices. Geneva: World Meteorological organization, 1971.
MLA استشهادWorld Meteorological Organization. WMO.Technical Note: 8.Guide to Metrological Instrument and Observing Practices. World Meteorological organization, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.