McGuigan, F. (1990). Experimental psychology: Methods of research (5th.ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)McGuigan, F.J. Experimental Psychology: Methods of Research. 5th.ed. Englewood Cliffs: Prentice-Hall, 1990.
Lua MLA (9ú heag.)McGuigan, F.J. Experimental Psychology: Methods of Research. 5th.ed. Prentice-Hall, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.