Diaz, H. F. (1980). Atlas of mean winter temperature departures from the long-term mean over the contiguous United States, 1895-1979. National Climatic Center.
Lua i Stíl Chicago (17ú heag.)Diaz, Henry F. Atlas of Mean Winter Temperature Departures from the Long-term Mean over the Contiguous United States, 1895-1979. Asheville, N.C.: National Climatic Center, 1980.
Lua MLA (8ú heag.)Diaz, Henry F. Atlas of Mean Winter Temperature Departures from the Long-term Mean over the Contiguous United States, 1895-1979. National Climatic Center, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.