PEALE NORMAN VINCENT. (1973). NEW ART OF LIVING. FAWCETT CREST.
Lua i Stíl Chicago (17ú heag.)PEALE NORMAN VINCENT. NEW ART OF LIVING. NEW YORK: FAWCETT CREST, 1973.
Lua MLA (9ú heag.)PEALE NORMAN VINCENT. NEW ART OF LIVING. FAWCETT CREST, 1973.
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