APA
Van Geel T R,, . (1991). Understanding supreme court opinions. New York: Orient Longman.
Chicago
Van Geel T R,, . 1991. Understanding supreme court opinions. New York: Orient Longman.
Harvard
Van Geel T R,, . (1991). Understanding supreme court opinions. New York: Orient Longman.
MLA
Van Geel T R,, . Understanding supreme court opinions. New York: Orient Longman. 1991.