Herbert, Xavier, 1901-1984
Angus & Robertson, 1938
Buku Teks SO
Brandes, Joseph
University of Pittsburgh Press, 1962
Buku Teks
Baylon, Christian
Nathan Universite, 1991
Buku Teks
Freixas, Xavier
Massachusetts Massachusetts Institute of Technology 1997, 1997
Buku Teks SO
Lyons, Eugene
Doubleday, 1948
Buku Teks SO