Rosenberg, R. Robert, author
Greg and Comm, 1975
Buku Teks
Martin, Peter G. (Peter Graeme), author
Prentice-Hall, 1991
Buku Teks
Meier, Robert C., author
McGraw-Hill, 1960
Buku Teks
Boiselle, Arthur H., author
Addison-Wesley, 1981
Buku Teks
Fowler, F. Parker, author
Wiley, 1962
Buku Teks