Nuffield Foundation. Science Teaching Project. (1966). Nuffield biology: Introducing living things. Nuffield Foundation.
Chicago-referens (17:e uppl.)Nuffield Foundation. Science Teaching Project. Nuffield Biology: Introducing Living Things. London: Nuffield Foundation, 1966.
MLA-referens (9:e uppl.)Nuffield Foundation. Science Teaching Project. Nuffield Biology: Introducing Living Things. Nuffield Foundation, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.