(美)丹·希思(Dan Heath)著. (2021). 上游思维：the quest to solve problems before they happen. 中信出版集团股份有限公司.
Chicago Style (17th ed.) Citation(美)丹·希思(Dan Heath)著. 上游思维：the Quest to Solve Problems Before They Happen. 中信出版集团股份有限公司, 2021.
MLA citiranje(美)丹·希思(Dan Heath)著. 上游思维：the Quest to Solve Problems Before They Happen. 中信出版集团股份有限公司, 2021.
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