Here are a few links that might help you with your personal document :

https://en.wikipedia.org/wiki/Heart_of_Darkness#Radio_and_stage_plays

https://en.wikipedia.org/wiki/Apocalypse_Now#Adaptation

Apocalypse Now poster.jpg

Images from the graphic novel version :

https://www.google.fr/search?q=heart+of+darkness+graphic+novel+pdf&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjF_PqnpYvbAhUK16QKHZLuBVIQ_AUICigB&biw=1207&bih=522#imgrc=8mY56c2E9kvxQM:

There is another article entitled « Lord of the Flies »

http://www.william-golding.co.uk/william-goldings-legacy-enduring-influence-on-popular-culture

https://www.abebooks.com/blog/index.php/2011/07/27/stephen-king-inspired-by-william-goldings-lord-of-the-flies/

https://en.wikipedia.org/wiki/Das_Bus