Weiss, Robert S., author
N.Y. Wiley , 1968
Buku Teks
Weiss, Robert S., author
John Wiley & Sons, 1968
Buku Teks
Kurtz, Norman R.
McGraw-Hill, 1983
Buku Teks
Blalock, Hubert M., author
McGraw-Hill , 1981
Buku Teks
Johnson, Allan G., author
McGraw-Hil, 1997
Buku Teks