CHARLES WORTH. (1984). STRESS MANAGEMENT. BALLANTINE BOOKS.
Cita Chicago (17th ed.)CHARLES WORTH. STRESS MANAGEMENT. NEW YORK: BALLANTINE BOOKS, 1984.
Cita MLA (9th ed.)CHARLES WORTH. STRESS MANAGEMENT. BALLANTINE BOOKS, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.