Pritchard, Michael; Nicholson, Angela (2005). "Camera development". The Oxford Companion to the Photograph. Oxford University Press. ISBN978-0-19-866271-6. Archived from the original on 10 November 2023. Retrieved 12 December 2019.
Pritchard, Michael; Nicholson, Angela (2005). "Camera development". The Oxford Companion to the Photograph. Oxford University Press. ISBN978-0-19-866271-6. Archived from the original on 10 November 2023. Retrieved 12 December 2019.
The manual of photography. Elizabeth Allen, Sophie Triantaphillidou (10thed.). Oxford: Elsevier/Focal Press. 2011. ISBN978-0-240-52037-7. OCLC706802878.{{cite book}}: CS1 maint: others (link)