Knoke, David, author
Thomson, 2002
Buku Teks SO
Knoke, David, author
Thomson, 2002
Buku Teks SO
Healey, Joseph F., 1945-, author
Cengage Learning, 2016
Buku Teks
Wallis, W. Allen, author
Free Press, 1956
Buku Teks
Wonnacott, Thomas H., 1935-, author
John Wiley & Son , 1969
Buku Teks