Cushman, J. A., & Valentine, W. W. (1930). Shallow-water Foraminifera from the Channel Islands of Southern California. Stanford university press.
Lua i Stíl Chicago (17ú heag.)Cushman, Joseph A., agus William W. Valentine. Shallow-water Foraminifera from the Channel Islands of Southern California. Stanford, Calif.: Stanford university press, 1930.
Lua MLA (8ú heag.)Cushman, Joseph A., agus William W. Valentine. Shallow-water Foraminifera from the Channel Islands of Southern California. Stanford university press, 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.