(美) 希思 & 尚书. (2021). 上游思维: Upstream: the quest to solve problems before they happen. 中信出版集团股份有限公司.
Lua i Stíl Chicago (17ú heag.)(美) 希思 agus 尚书. 上游思维: Upstream: The Quest to Solve Problems Before They Happen. 中信出版集团股份有限公司, 2021.
Lua MLA (8ú heag.)(美) 希思 agus 尚书. 上游思维: Upstream: The Quest to Solve Problems Before They Happen. 中信出版集团股份有限公司, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.