Greeley, A. M. (1969). Why can't they be like us?: Facts and fallacies about ethnic differences and group conflicts in America. New York: Institute of Human Relations Press, American Jewish Committee.

Greeley, Andrew M. Why Can't They Be Like Us?: Facts and Fallacies About Ethnic Differences and Group Conflicts in America. New York: Institute of Human Relations Press, American Jewish Committee, 1969.

Greeley, Andrew M. Why Can't They Be Like Us?: Facts and Fallacies About Ethnic Differences and Group Conflicts in America. New York: Institute of Human Relations Press, American Jewish Committee, 1969.