edited by Jenny Douglas
Sage, 2007
Buku Teks
Gray, Stephen E.
MacMillan Press , 1978
Buku Teks
edited by Robert Beaglehole and Ruth Bonita
Oxford University Press, 2003
Buku Teks
Indian Institute of Management, 1991
Buku Teks
editors, Lester Breslow, Jonathan E. Fielding, Lester B. Lave
Annual Reviews, 1990
Buku Teks