Well some info on year and trim and belt you blew wouldeve been helpful =) but I looked in your profile and saw you have a 1990, and ill assume its a SI.
Alternator belt
http://www.honda.co.uk/owner/Prelude...2sf100/5-6.pdf
P/S and A/C belt
http://www.honda.co.uk/owner/Prelude...2sf100/5-7.pdf
Timing belt
http://www.honda.co.uk/owner/Prelude...sf100/5-24.pdf
3rd gen online shop manual, bookmark it, print it out, live by it =)
http://www.honda.co.uk/owner/PreludeManual/index.html