徐娇 & 吴波. (2012). 爷爷的头发不一样: Grandpa's hair are different. 现代出版社.
Cita Chicago Style (17a ed.)徐娇 y 吴波. 爷爷的头发不一样: Grandpa's Hair Are Different. 现代出版社, 2012.
Cita MLA (8a ed.)徐娇 y 吴波. 爷爷的头发不一样: Grandpa's Hair Are Different. 现代出版社, 2012.
Precaución: Estas citas no son 100% exactas.