(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.
Čikaški stil citiranja (17. izdanje)(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.
MLA način citiranja (8. izdanje)(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.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.