By Silverman, David,. Los Angeles : Sage, 2011 . xv, 500 p. : 24 cm.. 9780857024206 (hardbound) | 9780857024213 (pbk.)
]]>By Silverman, David,. London ; | Thousand Oaks, Calif. : SAGE, 2010 . xiv, 456 p. : , Previous ed.: 2005. 24 cm.. 9781848600331 (hbk.) | 184860033X (hbk.) | 9781848600348 (pbk.) | 1848600348 (pbk.)
]]>By Silverman, David,. London : Heinemann Educational, 1970 . ix, 246 p. : 22 cm.. 0435828118
]]>