PEALE NORMAN VINCENT. (1985). HAVE A GREAT DAY. FAWCETT CREST.
Lua i Stíl Chicago (17ú heag.)PEALE NORMAN VINCENT. HAVE A GREAT DAY. NEW YORK: FAWCETT CREST, 1985.
Lua MLA (9ú heag.)PEALE NORMAN VINCENT. HAVE A GREAT DAY. FAWCETT CREST, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.