edited by Joan C. Chrisler, Carla Golden, Patricia D. Rozee
McGraw-Hill, 2000
Buku Teks
Laird, Donald A.
McGraw-Hill Book Company, Inc, 1956
Buku Teks
University of Toronto Press , 1968
Buku Teks
edited by F.J.C. Hearnshaw
Barnes & Noble, 1949
Buku Teks
edited by Shane R. Thye, Edward J. Lawyer
Elsevier, 2006
Buku Teks