Lua APA (7ú heag.)

Swift , P. W. (1969). General Psychology (ed.). McGraw- Hill Book Co..

Lua i Stíl Chicago (17ú heag.)

Swift , Porter W. General Psychology. ed. New York: McGraw- Hill Book Co., 1969.

Lua MLA (9ú heag.)

Swift , Porter W. General Psychology. ed. McGraw- Hill Book Co., 1969.

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