Lua APA (7ú heag.)

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.