Ziglar Zig. (2009). Daily Insights. Jaico Publishing.
Lua i Stíl Chicago (17ú heag.)Ziglar Zig. Daily Insights. Delhi: Jaico Publishing, 2009.
Lua MLA (9ú heag.)Ziglar Zig. Daily Insights. Jaico Publishing, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.