Could you please advice appropriate license for SQL Enterprise edition 2005

If CPU is Quad core it ‘s count to 4 or 1 license cpu. Could you please advice appropriate license for SQL Enterprise edition 2005 like server detail below. Actually i don't want to buy license per cpu. How many Cal for SQL enterprise 2005 license that bundle within first order SQL Svr Enterprise Edtn 2005 English .

Processor : QUAD Core 3.0GHZ X 2

Number of user : 4

Thank you for advance

The following link should have all the information you're after:

http://www.microsoft.com/sql/howtobuy/default.mspx

HTH!