Fraser, S. C. (1985). Psychology and life (11th ed.). Scott, Foresman.
Lua i Stíl Chicago (17ú heag.)Fraser, Scott C. Psychology and Life. 11th ed. Illinois: Scott, Foresman, 1985.
Lua MLA (9ú heag.)Fraser, Scott C. Psychology and Life. 11th ed. Scott, Foresman, 1985.
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