Simpson, Nicola (2004). "Coming Attractions – a comparative history of the Hollywood Studio System and the pom business". Historical Journal of Film, Radio and Television. 24 (4): 642. doi:10.1080/0143968042000293900. S2CID191623073.
Hoffmann, Frank A. (1965). "Prolegomena to a Study of Traditional Elements in the Erotic Film". The Journal of American Folklore. 78 (308): 143–148. doi:10.2307/538281. JSTOR538281.
Hoffmann, Frank A. (1965). "Prolegomena to a Study of Traditional Elements in the Erotic Film". The Journal of American Folklore. 78 (308): 143–148. doi:10.2307/538281. JSTOR538281.
Simpson, Nicola (2004). "Coming Attractions – a comparative history of the Hollywood Studio System and the pom business". Historical Journal of Film, Radio and Television. 24 (4): 642. doi:10.1080/0143968042000293900. S2CID191623073.