Written by Jill Eggleton. (2018). Big hippo and little hippo. 长江少年儿童出版社.
Lua i Stíl Chicago (17ú heag.)Written by Jill Eggleton. Big Hippo and Little Hippo. 长江少年儿童出版社, 2018.
Lua MLA (8ú heag.)Written by Jill Eggleton. Big Hippo and Little Hippo. 长江少年儿童出版社, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.