279990 Gillham, B. (2008). Small-scale social survey methods: Real world research. London : Continuum International Pub. Group.
Chicago-viite (17. p.)279990 Gillham, Bill. Small-scale Social Survey Methods: Real World Research. London : Continuum International Pub. Group, 2008.
MLA-viite (9. p.)279990 Gillham, Bill. Small-scale Social Survey Methods: Real World Research. London : Continuum International Pub. Group, 2008.
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