Não informado. (1956). Collected reprints. Oregon State University, School of Oceanography.
Chicago-referens (17:e uppl.)Não informado. Collected Reprints. Corvallis, Ore: Oregon State University, School of Oceanography, 1956.
MLA-referens (8:e uppl.)Não informado. Collected Reprints. Oregon State University, School of Oceanography, 1956.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.