PEALE NORMAN VINCENT. (1948). GUIDE TO CONFIDENT LIVING. FAWCETT CREST.
Lua i Stíl Chicago (17ú heag.)PEALE NORMAN VINCENT. GUIDE TO CONFIDENT LIVING. NEW YORK: FAWCETT CREST, 1948.
Lua MLA (9ú heag.)PEALE NORMAN VINCENT. GUIDE TO CONFIDENT LIVING. FAWCETT CREST, 1948.
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