[美]谢尔.希尔弗斯坦:xie er.xi er fu si tan. 爱心树. 南海出版社.
Chicago Style (17th ed.) Citation[美]谢尔.希尔弗斯坦:xie er.xi er fu si tan. 爱心树. 南海出版社.
MLA (8th ed.) Citation[美]谢尔.希尔弗斯坦:xie er.xi er fu si tan. 爱心树. 南海出版社.
Warning: These citations may not always be 100% accurate.