(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.
Dyfyniad Arddull Chicago(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.
Dyfyniad MLA(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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.