APA-referens (7:e uppl.)
GUNSBERG, A. (1990). MONSTER IN THE MAIL: INTEGRATING DEVELOPMENTALLY DELAYED AND NON-DELAYEDYOUNG CHILDREN THROUGH THE USE OF PLAY FORMATS.
Chicago-referens (17:e uppl.)
GUNSBERG, A. MONSTER IN THE MAIL: INTEGRATING DEVELOPMENTALLY DELAYED AND NON-DELAYEDYOUNG CHILDREN THROUGH THE USE OF PLAY FORMATS. 1990.
MLA-referens (9:e uppl.)
GUNSBERG, A. MONSTER IN THE MAIL: INTEGRATING DEVELOPMENTALLY DELAYED AND NON-DELAYEDYOUNG CHILDREN THROUGH THE USE OF PLAY FORMATS. 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.