APA-referens

World book. (1996). World book encyclopedia(vol.22.): :research guide. World book international.

Chicago-stil citat

World book. World Book Encyclopedia(vol.22.): :research Guide. London: World book international, 1996.

MLA-referens

World book. World Book Encyclopedia(vol.22.): :research Guide. World book international, 1996.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.