沙希德·优素福，锅岛郁著. (2012). 两个龙头：给北京和上海的发展建议：contrasting development paths for Beijing and Shanghai. 新华出版社.
Lua i Stíl Chicago (17ú heag.)沙希德·优素福，锅岛郁著. 两个龙头：给北京和上海的发展建议：contrasting Development Paths for Beijing and Shanghai. 新华出版社, 2012.
Lua MLA (8ú heag.)沙希德·优素福，锅岛郁著. 两个龙头：给北京和上海的发展建议：contrasting Development Paths for Beijing and Shanghai. 新华出版社, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.