Não informado. (1962). Contributions to Geology. University of Wyoming, Department of Geology.
Lua i Stíl Chicago (17ú heag.)Não informado. Contributions to Geology. Laramie, Wyo: University of Wyoming, Department of Geology, 1962.
Lua MLA (8ú heag.)Não informado. Contributions to Geology. University of Wyoming, Department of Geology, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.