Lua APA (7ú heag.)

Vitkus, J. (1993). Casebook in abnormal psychology (2nd ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Vitkus, John. Casebook in Abnormal Psychology. 2nd ed. New York: McGraw-Hill, 1993.

Lua MLA (9ú heag.)

Vitkus, John. Casebook in Abnormal Psychology. 2nd ed. McGraw-Hill, 1993.

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