Solso, R. L., & Johnson, H. H. (1994). Experimental psychology: A case approach (5th ed.). HarperCollins College Publishers.
Lua i Stíl Chicago (17ú heag.)Solso, Robert L., agus Homer H. Johnson. Experimental Psychology: A Case Approach. 5th ed. New York, N.Y: HarperCollins College Publishers, 1994.
Lua MLA (9ú heag.)Solso, Robert L., agus Homer H. Johnson. Experimental Psychology: A Case Approach. 5th ed. HarperCollins College Publishers, 1994.
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