(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.
Čikaški stil citiranja (17. izdanje)(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 način citiranja (8. izdanje)(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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