edited by Peter Reason, Hilary Bradbury
Sage , 2013
Buku Referensi
Suchman, Edward A.
Russell Sage Foundation, 1967
Buku Teks
Craig, Dorothy Valcarcel
Jossey-Bass, 2009
Buku Teks
Wallace, Michael J.
Cambridge University Press, 2004
Buku Teks
ALARA Inc, Interchang and Prosperity Press, 2009
Majalah, Jurnal, Buletin