Não informado. (2021). Climatological Bulletin. National Observatory of Athens, Institute of Meteorology and Physics of the Atmospheric Environment.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Climatological Bulletin. Athens: National Observatory of Athens, Institute of Meteorology and Physics of the Atmospheric Environment, 2021.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Climatological Bulletin. National Observatory of Athens, Institute of Meteorology and Physics of the Atmospheric Environment, 2021.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.