(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.
Chicago (17e ed.) Bronvermelding(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.
MLA (8e ed.) Bronvermelding(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.
Let op: Deze citaties zijn niet altijd 100% accuraat.