Dyfyniad APA

Nuffield Foundation. Secondary Science Project. (1970). Nuffield secondary science: Teacher's guide. Nuffield Foundation.

Dyfyniad Arddull Chicago

Nuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Teacher's Guide. London: Nuffield Foundation, 1970.

Dyfyniad MLA

Nuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Teacher's Guide. Nuffield Foundation, 1970.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.