Petersen, William, author
Macmillan, 1969
Buku Teks
Leonardi Armando Goenawan, author
Universitas Indonesia, 2005
UI - Tesis (Membership)
edited by Stanley Johnson
John Wiley & Sons, 1973
Buku Teks
Wrong, Dennis H
Random House, 1985
Buku Teks
edited by William Petersen
Macmillan, 1972
Buku Teks