McGuigan, F. J. (1990). Experimental psychology: Methods of research (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)McGuigan, F. J. Experimental Psychology: Methods of Research. 5th ed. Englewood Cliffs, N.J: Prentice Hall, 1990.
Cita MLA (9th ed.)McGuigan, F. J. Experimental Psychology: Methods of Research. 5th ed. Prentice Hall, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.