Bruellie

I have a 36"L x 18"D x 20"H which i will put a 30" Uvb flouresnt tube in but i'm abit confused about the basking area can i use a ceramic heater for him to bask in or does it have to be an actual light i was thinking of having a 100watt ceramic heater for the day time and a 40watt ceramic heater or a moonlight bulb next to it for night could you help