Košík

Designing social inquiry : scientific inference in qualitative research / Gary King, Robert O. Keohane, Sidney Verba  Princeton : Princeton University Press, 1994 . xi, 247 stran . ISBN 0-691-03471-0 (brožováno). ISBN 0-691-03470-2 (vázáno) . http://www.loc.gov/catdir/description/prin021/93039283.html. http://www.loc.gov/catdir/toc/prin031/93039283.html .   [1, z toho volných 0]