French 2009. French, Philip (August 27, 2009). "Halloween – review". The Guardian. Archived from the original on January 27, 2018. Retrieved January 27, 2018.
Nicholls 2016. Nicholls, Peter (June 28, 2016). "Thing, The". The Encyclopedia of Science Fiction. Archived from the original on June 28, 2016. Retrieved July 8, 2016.
French 2009. French, Philip (August 27, 2009). "Halloween – review". The Guardian. Archived from the original on January 27, 2018. Retrieved January 27, 2018.
Nicholls 2016. Nicholls, Peter (June 28, 2016). "Thing, The". The Encyclopedia of Science Fiction. Archived from the original on June 28, 2016. Retrieved July 8, 2016.