Nuffield Foundation. Secondary Science Project. (1970). Nuffield secondary science: Teacher's guide. Nuffield Foundation.
Citazione stile Chigago Style (17a edizione)Nuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Teacher's Guide. London: Nuffield Foundation, 1970.
Citatione MLA (9a ed.)Nuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Teacher's Guide. Nuffield Foundation, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.