edited by H.M. Blalock
Aldine Publishing, 1974
Buku Teks
Blalock, Hubert M.
Sage Publications, 1982
Buku Teks
Brown, Robert R.
Aldine Pub. Co., 1963
Buku Teks
Berg, Bruce Lawrence, 1954-
Pearson, 2004
Buku Teks
Krimerman, Leonard I.
Appleton-Century-Crofts, 1969
Buku Teks