Lahey, B. B. (2004). In-psych to accompany Benjamin B. Lahey Psycholo: An introduction (8th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Lahey, Benjamin B. In-psych to Accompany Benjamin B. Lahey Psycholo: An Introduction. 8th ed. Boston, Mass: McGraw-Hill, 2004.
Lua MLA (9ú heag.)Lahey, Benjamin B. In-psych to Accompany Benjamin B. Lahey Psycholo: An Introduction. 8th ed. McGraw-Hill, 2004.
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