Those conifers need outdoor living conditions. Do you have a garden or patio area?
http://www.bonsaihunk.us/IndoorBonsai.html
Here is a link to get you onto some basic reading, the website has more info aswell, also fukubonsai.com has oogles of reading awaiting you. You want to really study up on trees and their needs before you start to grow them. Like people they are all a bit different. Have you checked you local area for bonsai clubs or sellers? Hands on learning is supposed to be top notch the best way to learn I have heard.