BBC Wales, Thomas, H., Hawes, K., Stoppard, E., & Scarborough, A. (2012). Upstairs, downstairs. Distributed by Warner Home Video.
Cita Chicago Style (17a ed.)BBC Wales, Heidi Thomas, Keeley Hawes, Ed Stoppard, y Adrian Scarborough. Upstairs, Downstairs. Burbank, CA: Distributed by Warner Home Video, 2012.
Cita MLA (8a ed.)BBC Wales, et al. Upstairs, Downstairs. Distributed by Warner Home Video, 2012.
Precaución: Estas citas no son 100% exactas.