金 & 曹聪. (2016). 蜗牛和乌龟: Snail and turtle are friends. 河北少年儿童出版社.
Cita Chicago Style (17a ed.)金 y 曹聪. 蜗牛和乌龟: Snail and Turtle Are Friends. 河北少年儿童出版社, 2016.
Cita MLA (8a ed.)金 y 曹聪. 蜗牛和乌龟: Snail and Turtle Are Friends. 河北少年儿童出版社, 2016.
Precaución: Estas citas no son 100% exactas.