ebrary, Inc, & Hartonek, E. B. (2009). Experimental psychology research trends. Nova Science Publishers.
Dyfyniad Arddull Chicagoebrary, Inc, and Eleanor B. Hartonek. Experimental Psychology Research Trends. New York: Nova Science Publishers, 2009.
Dyfyniad MLAebrary, Inc, and Eleanor B. Hartonek. Experimental Psychology Research Trends. Nova Science Publishers, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.