Seligman, Martin E. P.. Learned Optimism: How to Change Your Mind and Your Life. SIMON & SCHUSTER, 2011.
eng

Martin E. P. Seligman

Learned Optimism: How to Change Your Mind and Your Life

  • SIMON & SCHUSTER
  • 2011
  • Audio-CD
  • ISBN 9781442341135

Etwa 20 Tage