I need to know how to remove panels (door and the back one) in a 1999 ford escort?

I%26#039;m trying to install some door speakers and some rear 5x7%26#039;s in my 1999 ford escort se. i have a hatchback and the rear speakers are hidden, i just dont know how to get to them. also im having trouble removing the front door panels. its a weird setup. anyone know how to do these things or know of any websites that can help?