Lloyd, S. R., & Berthelot, T. (1992). Self-empowerment: How to get what you want from life. Crisp Publications.
Lua i Stíl Chicago (17ú heag.)Lloyd, Sam R., agus Tina Berthelot. Self-empowerment: How to Get What You Want from Life. Menlo Park, CA: Crisp Publications, 1992.
Lua MLA (8ú heag.)Lloyd, Sam R., agus Tina Berthelot. Self-empowerment: How to Get What You Want from Life. Crisp Publications, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.