Spiegel, Murray R., author
McGraw-Hill, 1968
Buku Referensi
edited by Milton Abramowitz, Irene A. Stegun
U.S. Government Printing Office, 1967
Buku Referensi
Bender, Carl M., author
McGraw-Hill, 1978
Buku Teks
edited by Frederick C. Allard
McGraw-Hill, 1990
Buku Referensi
edited by Frederick C. Allard
McGraw-Hill, 1989
Buku Referensi