Cooper, H. (1997). The baby who wouldn't go to bed. Random House Children's Books.
Chicago-referens (17:e uppl.)Cooper, Helen. The Baby Who Wouldn't Go to Bed. London: Random House Children's Books, 1997.
MLA-referens (9:e uppl.)Cooper, Helen. The Baby Who Wouldn't Go to Bed. Random House Children's Books, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.