Cita APA (7th ed.)

PEALE NORMAN VINCENT. (1985). HAVE A GREAT DAY. FAWCETT CREST.

Cita Chicago (17th ed.)

PEALE NORMAN VINCENT. HAVE A GREAT DAY. NEW YORK: FAWCETT CREST, 1985.

Cita MLA (9th ed.)

PEALE NORMAN VINCENT. HAVE A GREAT DAY. FAWCETT CREST, 1985.