Written by Jill Eggleton. (2018). Big hippo and little hippo. 长江少年儿童出版社.
Chicagoスタイル(17版)引用形式Written by Jill Eggleton. Big Hippo and Little Hippo. 长江少年儿童出版社, 2018.
MLA(8版)引用形式Written by Jill Eggleton. Big Hippo and Little Hippo. 长江少年儿童出版社, 2018.
警告: この引用は必ずしも正確ではありません.