Bell,Colin, & Newby,Howard. (1977). Doing Sociological research. George Allen & Unwin.
Chicago Edition CitationBell,Colin, i Newby,Howard. Doing Sociological Research. London: George Allen & Unwin, 1977.
Cita MLABell,Colin, i Newby,Howard. Doing Sociological Research. George Allen & Unwin, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.