APA-referens (7:e uppl.)

Hughes, F. P. (1999). Children, play, and development (Third edition.). Allyn and Bacon.

Chicago-referens (17:e uppl.)

Hughes, Fergus P. Children, Play, and Development. Third edition. Boston: Allyn and Bacon, 1999.

MLA-referens (8:e uppl.)

Hughes, Fergus P. Children, Play, and Development. Third edition. Allyn and Bacon, 1999.