Solso, R. L., & Johnson, H. H. (1994). Experimental psychology: A case approach (5th ed.). HarperCollins.

Solso, Robert L., and Homer H. Johnson. Experimental Psychology: A Case Approach. 5th ed. New York, N.Y.: HarperCollins, 1994.

Solso, Robert L., and Homer H. Johnson. Experimental Psychology: A Case Approach. 5th ed. HarperCollins, 1994.