Blalock, Hubert M., author
Sage Publications, 1982
Buku Teks
Payne, James L., author
Lytton, 1975
Buku Teks
Drake, Brett, author
Pearson, 2008
Buku Teks
Campbell, Donald T., author
Sage, 2001
Buku Teks
edited by Yasushi Hashimoto... [et.al.]
Academic Press , 1990
Buku Teks