(美)赫尔·葛瑞格森(Hal Gregersen)著. (2022). 问题即答案：a breakthrough approach to your most vexing problems at work and in life. 中信出版集团股份有限公司.
Lua i Stíl Chicago (17ú heag.)(美)赫尔·葛瑞格森(Hal Gregersen)著. 问题即答案：a Breakthrough Approach to Your Most Vexing Problems at Work and in Life. 中信出版集团股份有限公司, 2022.
Lua MLA (8ú heag.)(美)赫尔·葛瑞格森(Hal Gregersen)著. 问题即答案：a Breakthrough Approach to Your Most Vexing Problems at Work and in Life. 中信出版集团股份有限公司, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.