Tracy, S. J. (2013). Qualitative Research Methods; Collecting Evidence, Crafting Analysis, Communicating Impact. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)Tracy, Sarah J. Qualitative Research Methods; Collecting Evidence, Crafting Analysis, Communicating Impact. Wiley-Blackwell, 2013.
Lua MLA (8ú heag.)Tracy, Sarah J. Qualitative Research Methods; Collecting Evidence, Crafting Analysis, Communicating Impact. Wiley-Blackwell, 2013.
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