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.
Chicago (17e ed.) Bronvermelding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.
MLA (8e ed.) Bronvermelding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.
Let op: Deze citaties zijn niet altijd 100% accuraat.