Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
girl [gəːl] n (child) де́вочка#; (young unmarried woman) де́вушка#; (daughter) до́чка#
this is my little girl э́то моя́ до́чка
an English girl англича́нка#
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.