(美)戴维·布尔库什(David Burkus)著. (2021). 朋友的朋友是朋友：充分调用你的每一分人脉：understanding the hidden networks that can transform your life and your career. 中信出版集团股份有限公司.
Lua i Stíl Chicago (17ú heag.)(美)戴维·布尔库什(David Burkus)著. 朋友的朋友是朋友：充分调用你的每一分人脉：understanding the Hidden Networks That Can Transform Your Life and Your Career. 中信出版集团股份有限公司, 2021.
Lua MLA (8ú heag.)(美)戴维·布尔库什(David Burkus)著. 朋友的朋友是朋友：充分调用你的每一分人脉：understanding the Hidden Networks That Can Transform Your Life and Your Career. 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.