Blalock, Hubert M., author
W.W. Norton, 1964
Buku Teks
Leamer, Edward E., author
John Wiley & Sons, 1978
Buku Teks
Berger, Andre, editor
Springer, 2012
eBooks
Asher, Herbert B., author
Sage Publications, 1983
Buku Teks
edited by H.M. Blalock
Aldine Publishing, 1974
Buku Teks