库珀 & 杨玲玲. (2015). 宝宝不想睡: Baby who wouldn't go to bed. 北京联合出版公司.
Dyfyniad Arddull Chicago库珀 and 杨玲玲. 宝宝不想睡: Baby Who Wouldn't Go to Bed. 北京联合出版公司, 2015.
Dyfyniad MLA库珀 and 杨玲玲. 宝宝不想睡: Baby Who Wouldn't Go to Bed. 北京联合出版公司, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.