Tuma, Jan J., author
McGraw-Hill, 1975
Buku Teks
edited by Milton Abramowitz, Irene A. Stegun
U.S. Government Printing Office, 1967
Buku Referensi
Tuma, Jan J., author
McGraw-Hill, 1979
Buku Referensi
Spiegel, Murray R., author
McGraw-Hill, 1999
Buku Teks
Burington, Richard Stevens, author
McGraw-Hill, 1973
Buku Referensi