Lua APA (7ú heag.)

Feldman, R. S. (1999). Understanding psychology (Fifth edition.). McGraw-Hill College.

Lua i Stíl Chicago (17ú heag.)

Feldman, Robert S. Understanding Psychology. Fifth edition. Boston: McGraw-Hill College, 1999.

Lua MLA (8ú heag.)

Feldman, Robert S. Understanding Psychology. Fifth edition. McGraw-Hill College, 1999.

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