朗格 & 托尼森. (2012). 它们肚子饿了: Wenn tiere hungrig sind. 青岛出版社.
Chicago Style (17th ed.) Citation朗格 and 托尼森. 它们肚子饿了: Wenn Tiere Hungrig Sind. 青岛出版社, 2012.
MLA (8th ed.) Citation朗格 and 托尼森. 它们肚子饿了: Wenn Tiere Hungrig Sind. 青岛出版社, 2012.
Warning: These citations may not always be 100% accurate.