Fleiss, Joseph L., author
John Wiley & Sons, 1983
Buku Teks
Arens, Alvin A., author
Prentice-Hall, 1981
Buku Teks
Vance, Lawrence L., author
Wiley, 1956
Buku Teks
Vanasse, Robert W., author
McGraw-Hill, 1976
Buku Teks
Hansen, Morris H., author
John Wiley & Sons, 1970
Buku Teks