Goodwin, C. J. (1995). Research in psychology: Methods and design. Wiley.
Lua i Stíl Chicago (17ú heag.)Goodwin, C. James. Research in Psychology: Methods and Design. New York: Wiley, 1995.
Lua MLA (8ú heag.)Goodwin, C. James. Research in Psychology: Methods and Design. Wiley, 1995.
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