徐娇 & 吴波. (2012). 爷爷的头发不一样: Grandpa's hair are different. 现代出版社.
Lua i Stíl Chicago (17ú heag.)徐娇 agus 吴波. 爷爷的头发不一样: Grandpa's Hair Are Different. 现代出版社, 2012.
Lua MLA (8ú heag.)徐娇 agus 吴波. 爷爷的头发不一样: Grandpa's Hair Are Different. 现代出版社, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.