Telenatura 2009. (2008). The Natural World: Iron Curtain Ribbon of Life. [BBC].
Cita Chicago Style (17a ed.)Telenatura 2009. The Natural World: Iron Curtain Ribbon of Life. [USA]: [BBC], 2008.
Cita MLA (9a ed.)Telenatura 2009. The Natural World: Iron Curtain Ribbon of Life. [BBC], 2008.
Precaución: Estas citas no son 100% exactas.