Merkoša sitáhtat
APA-čujuhus (7. p.)
Smith, E. (2008). Using secondary data in educational and social research. Open University Press ; McGraw-Hill.
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Chicago-čujuhus (17. p.)
Smith, Emma. Using Secondary Data in Educational and Social Research. Maidenhead, England : New York: Open University Press ; McGraw-Hill, 2008.
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MLA-čujuhus (9. p.)
Smith, Emma. Using Secondary Data in Educational and Social Research. Open University Press ; McGraw-Hill, 2008.
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