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.
Chicago (17e ed.) Bronvermelding库珀 en 杨玲玲. 宝宝不想睡: Baby Who Wouldn't Go to Bed. 北京联合出版公司, 2015.
MLA (8e ed.) Bronvermelding库珀 en 杨玲玲. 宝宝不想睡: Baby Who Wouldn't Go to Bed. 北京联合出版公司, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.