Koontz, Dean Ray, 1945-
Alfred A. Knopf , 1994
Buku Teks
Koontz, Dean Ray, 1945-
Bantam Books, 2000
Buku Teks
Koontz, Harold
McGraw-Hill , 1971
Buku Teks
Dhita Wiradiputra, supervisor
Harvard University Press , 1958
Buku Teks
Dean, Joel
Prentice-Hall, 1951
Buku Teks