editor-in-chief, David R. Lide
CRC Press, 2008
Buku Referensi
Porges, John, author
Newnes-Butterworths, 1976
Buku Referensi
Garrison, Catherine, author
Reading, Mass Addison-Wesley Publishing Co , 1989
Buku Teks
editor, Milton Kaufman, Arthur H. Seidman
McGraw-Hill, 1984
Buku Referensi
Thomas, Harry E., author
Prentice-Hall, 1965
Buku Referensi