Solso, R. L., & Johnson, H. H. (1998). Experimental psychology: A case approach (6th.ed.). Longman.
Lua i Stíl Chicago (17ú heag.)Solso, Robert L., agus Homer H. Johnson. Experimental Psychology: A Case Approach. 6th.ed. New York: Longman, 1998.
Lua MLA (9ú heag.)Solso, Robert L., agus Homer H. Johnson. Experimental Psychology: A Case Approach. 6th.ed. Longman, 1998.
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