Carnegie Institution of Washington. (1947). The geomagnetic field, its description and analysis. Carnegie Institution of Washington Publication.
Lua i Stíl Chicago (17ú heag.)Carnegie Institution of Washington. The Geomagnetic Field, Its Description and Analysis. Washington, D.C: Carnegie Institution of Washington Publication, 1947.
Lua MLA (9ú heag.)Carnegie Institution of Washington. The Geomagnetic Field, Its Description and Analysis. Carnegie Institution of Washington Publication, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.