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.
Style de citation Chicago (17e éd.)库珀 et 杨玲玲. 宝宝不想睡: Baby Who Wouldn't Go to Bed. 北京联合出版公司, 2015.
Style de citation MLA (8e éd.)库珀 et 杨玲玲. 宝宝不想睡: Baby Who Wouldn't Go to Bed. 北京联合出版公司, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.