Sanchez, B., & Sanchez, E. J. (2009). Don't worry, be happy: 7 secrets to achieve your dreams and enjoy great happiness today. Sheperd's Voice Publication, Inc.
Lua i Stíl Chicago (17ú heag.)Sanchez, Bo, agus Enriquez Jr Sanchez. Don't Worry, Be Happy: 7 Secrets to Achieve Your Dreams and Enjoy Great Happiness Today. Quezon City: Sheperd's Voice Publication, Inc, 2009.
Lua MLA (9ú heag.)Sanchez, Bo, agus Enriquez Jr Sanchez. Don't Worry, Be Happy: 7 Secrets to Achieve Your Dreams and Enjoy Great Happiness Today. Sheperd's Voice Publication, Inc, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.