Παραπομπή APA

World Meteorological Organization. (1971). WMO.Technical Note: 8.Guide to Metrological instrument and observing practices. World Meteorological organization.

Παραπομπή Chicago Style

World Meteorological Organization. WMO.Technical Note: 8.Guide to Metrological Instrument and Observing Practices. Geneva: World Meteorological organization, 1971.

Παραπομπή MLA

World Meteorological Organization. WMO.Technical Note: 8.Guide to Metrological Instrument and Observing Practices. World Meteorological organization, 1971.