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Lua i Stíl Chicago (17ú heag.)ARBUCKLE, Dugald S [ed.]. Counseling and Psychotherapy an Overview. New York: McGraw-hill, 1967.
Lua MLA (9ú heag.)ARBUCKLE, Dugald S [ed.]. Counseling and Psychotherapy an Overview. McGraw-hill, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.