"Shapes" adalah episode kesembilan belas dari musim pertama dari serial televisi fiksi ilmiah Amerika Serikat The X-Files. Episode tersebut tayang perdana di saluran Fox pada 1 April 1994.

• Cantor, Paul A (2003). Gilligan Unbound: Pop Culture in the Age of Globalization. Rowman & Littlefield. ISBN 0-7425-0779-3.
• Gradnitzer, Louisa; Pittson, Todd (1999). X Marks the Spot: On Location with The X-Files. Arsenal Pulp Press. ISBN 1-55152-066-4.
• Goldman, Jane (1997). The X-Files Book of the Unexplained. Simon & Schuster. ISBN 0-684-81962-7.
• Gwenllian-Jones, Sara; Pearson, Roberta E. (2004). Cult television. University of Minnesota Press. ISBN 0-8166-3831-4.
• Lavery, David; Hague, Angela; Cartwright, Marla (1996). Deny All Knowledge: Reading The X-Files. Syracuse University Press. ISBN 0-8156-2717-3.
• Lowry, Brian (1995). The Truth is Out There: The Official Guide to the X-Files. Harper Prism. ISBN 0-06-105330-9.

Wikiquote memiliki koleksi kutipan yang berkaitan dengan: TXF Season 1.

• "Shapes" on The X-Files official website
• "Shapes" di IMDb (dalam bahasa Inggris)

• Shapes di Internet Speculative Fiction Database