(英)卡罗琳·杰恩·丘奇(Caroline Jayne Church)图文. (2012). 笨笨羊的奇迹. 二十一世纪出版社.
Chicago Style (17th ed.) Citation(英)卡罗琳·杰恩·丘奇(Caroline Jayne Church)图文. 笨笨羊的奇迹. 二十一世纪出版社, 2012.
MLA (8th ed.) Citation(英)卡罗琳·杰恩·丘奇(Caroline Jayne Church)图文. 笨笨羊的奇迹. 二十一世纪出版社, 2012.
Warning: These citations may not always be 100% accurate.