Goodwin, C. J. (1998). Research in psychology: Methods and design (2nd ed.). John Wiley and Sons.
Cita Chicago (17th ed.)Goodwin, C. James. Research in Psychology: Methods and Design. 2nd ed. New York: John Wiley and Sons, 1998.
Cita MLA (9th ed.)Goodwin, C. James. Research in Psychology: Methods and Design. 2nd ed. John Wiley and Sons, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.