(美)丹·比特纳(Dan Buettner)著. (2009). 蓝色地带. 中国旅游出版社.
Chicago Style (17th ed.) Citation(美)丹·比特纳(Dan Buettner)著. 蓝色地带. 中国旅游出版社, 2009.
MLA (8th ed.) Citation(美)丹·比特纳(Dan Buettner)著. 蓝色地带. 中国旅游出版社, 2009.
Warning: These citations may not always be 100% accurate.