鲁宾 & 姜信宝. (2014). Scrum精髓: Essential scrum. 清华大学出版社.
Lua i Stíl Chicago (17ú heag.)鲁宾 agus 姜信宝. Scrum精髓: Essential Scrum. 清华大学出版社, 2014.
Lua MLA (8ú heag.)鲁宾 agus 姜信宝. Scrum精髓: Essential Scrum. 清华大学出版社, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.