Perl, W. R. (1979). The four-front war: From the Holocaust to the Promised Land / by William R. Perl. Crown Publ..

Perl, William R. The Four-front War: From the Holocaust to the Promised Land / by William R. Perl. New York: Crown Publ., 1979.

Perl, William R. The Four-front War: From the Holocaust to the Promised Land / by William R. Perl. Crown Publ., 1979.