Cita APA (7th ed.)

Nuffield Foundation. Science Teaching Project. (1971). Nuffield biological science: Teachers' guide II. Nuffield Foundation.

Cita Chicago (17th ed.)

Nuffield Foundation. Science Teaching Project. Nuffield Biological Science: Teachers' Guide II. England: Nuffield Foundation, 1971.

Cita MLA (9th ed.)

Nuffield Foundation. Science Teaching Project. Nuffield Biological Science: Teachers' Guide II. Nuffield Foundation, 1971.