Scott, Ewing C.
Harper & Row, 1962
Buku Teks
Timberlake, Karen C., author
Prentice-Hall, 2007
Buku Teks
Suchocki, John, author
Pearson Benjamin Cummings, 2007
Buku Teks
Russell, John B., author
McGraw-Hill, 1981
Buku Teks
Glinka, N., author
Mir Publisher, 1960
Buku Teks