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.
Cita Chicago Style (17a ed.)库珀 y 杨玲玲. 宝宝不想睡: Baby Who Wouldn't Go to Bed. 北京联合出版公司, 2015.
Cita MLA (8a ed.)库珀 y 杨玲玲. 宝宝不想睡: Baby Who Wouldn't Go to Bed. 北京联合出版公司, 2015.
Precaución: Estas citas no son 100% exactas.