Wellington, J. J. (2005). Succeeding with your doctorate. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Wellington, J. J. Succeeding with Your Doctorate. London ; Thousand Oaks, CA: Sage Publications, 2005.
Lua MLA (8ú heag.)Wellington, J. J. Succeeding with Your Doctorate. Sage Publications, 2005.
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