The posters hanging in Stacey's room are all other Crown International releases, including Galaxina (1980), Prime Evil (1988) and Deathrow Gameshow (1987), Mark Pirro's first film for Crown International.
Stacey Pubah mentions an issue of the horror magazine Fangoria that was published in 1978. Fangoria didn't yet exist in 1978; the magazine first began being printed in 1979.