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
Fowler, F. Parker, author
John Wiley & Sons, 1962
Buku Teks
Pintel, Gerald, author
Prentice-Hall, 1989
Buku Teks