Cita APA (7th ed.)

Angela Billington; Richard Parsons. (2003). KS2 National Curriculum Science - Circuits and Conductors (4F). Coordination Group Publications.

Cita Chicago (17th ed.)

Angela Billington; Richard Parsons. KS2 National Curriculum Science - Circuits and Conductors (4F). Coordination Group Publications, 2003.

Cita MLA (9th ed.)

Angela Billington; Richard Parsons. KS2 National Curriculum Science - Circuits and Conductors (4F). Coordination Group Publications, 2003.