攸攸熊绘本工作室. (2018). 扶梯怪兽: Escalator monster. 石油工业出版社.
Lua i Stíl Chicago (17ú heag.)攸攸熊绘本工作室. 扶梯怪兽: Escalator Monster. 石油工业出版社, 2018.
Lua MLA (8ú heag.)攸攸熊绘本工作室. 扶梯怪兽: Escalator Monster. 石油工业出版社, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.