Thernstrom, S. (1980). Harvard encyclopedia of American ethnic groups: Stephan Thernstrom, ed. Belknap Press of Harvard Univ. Press.
Lua i Stíl Chicago (17ú heag.)Thernstrom, Stephan. Harvard Encyclopedia of American Ethnic Groups: Stephan Thernstrom, Ed. Cambridge, Mass. [u.a.]: Belknap Press of Harvard Univ. Press, 1980.
Lua MLA (8ú heag.)Thernstrom, Stephan. Harvard Encyclopedia of American Ethnic Groups: Stephan Thernstrom, Ed. Belknap Press of Harvard Univ. Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.