Gladding, S. E. (2000). Counseling: A comprehensive profession (4th ed.). Merill.
Lua i Stíl Chicago (17ú heag.)Gladding, Samuel E. Counseling: A Comprehensive Profession. 4th ed. Columbus, Ohio: Merill, 2000.
Lua MLA (9ú heag.)Gladding, Samuel E. Counseling: A Comprehensive Profession. 4th ed. Merill, 2000.
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