Russell, A.A., author
Burgee, 1977
Buku Teks
Greco, Thomas G., author
Pearson Prentice Hall, 2007
Buku Teks
Russell, John B., author
McGraw-Hill, 1981
Buku Teks
Glinka, N., author
Mir Publisher, 1960
Buku Teks
Luder, W.F., author
W.B. Saunders, 1959
Buku Teks