ebrary, Inc. (1991). United States Antarctic Research report no. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990. National Academy Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc. United States Antarctic Research Report No. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990. Washington, DC: National Academy Press, 1991.
Lua MLA (9ú heag.)ebrary, Inc. United States Antarctic Research Report No. 32 to the Scientific Committee on Antarctic Research (SCAR) 1 April 1989 - 31 March 1990. National Academy Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.