Berger Warren. (2014). More Beutiful Questions: Power of Inquiry to Spark Breakthrough Ideas. Bloomsbury.
Lua i Stíl Chicago (17ú heag.)Berger Warren. More Beutiful Questions: Power of Inquiry to Spark Breakthrough Ideas. New York: Bloomsbury, 2014.
Lua MLA (9ú heag.)Berger Warren. More Beutiful Questions: Power of Inquiry to Spark Breakthrough Ideas. Bloomsbury, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.