Thernstrom, S. (1980). Harvard encyclopedia of American ethnic groups: Stephan Thernstrom, ed. Belknap Press of Harvard Univ. Press.

Thernstrom, Stephan. Harvard Encyclopedia of American Ethnic Groups: Stephan Thernstrom, Ed. Cambridge, Mass. [u.a.]: Belknap Press of Harvard Univ. Press, 1980.

Thernstrom, Stephan. Harvard Encyclopedia of American Ethnic Groups: Stephan Thernstrom, Ed. Belknap Press of Harvard Univ. Press, 1980.