edited by Murray S. Klamkin
Society for Industrial and Applied Mathematics, 1990
eBooks
Hokanson, Clifford M., author
Interstate Printers, 1984
Buku Teks
edited by Alvin W. Gouldner and S.M. Miller for the Society for the Study of Social Problem
Free Press, 1965
Buku Teks
Cambridge University Press, 1996
Majalah, Jurnal, Buletin
Blackwell Publishing Limited, 2001
Majalah, Jurnal, Buletin