Corporation, C. B. Energy to go round [kasetvideo]. Hong Kong : Educational Film Services.
Cita Chicago (17th ed.)Corporation, Canadian Broadcasting. Energy to Go Round [kasetvideo]. Hong Kong : Educational Film Services.
Cita MLA (9th ed.)Corporation, Canadian Broadcasting. Energy to Go Round [kasetvideo]. Hong Kong : Educational Film Services.
Atenció: Aquestes cites poden no estar 100% correctes.