徐娇 & 吴波. (2012). 爷爷的头发不一样: Grandpa's hair are different. 现代出版社.
Dyfyniad Arddull Chicago徐娇 and 吴波. 爷爷的头发不一样: Grandpa's Hair Are Different. 现代出版社, 2012.
Dyfyniad MLA徐娇 and 吴波. 爷爷的头发不一样: Grandpa's Hair Are Different. 现代出版社, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.