How to change the long date format into short date format in SQL stored procedures

CREATE PROCEDURE [dbo].[OnelinePODate]
AS
BEGIN
	Select Main.Ibill_no,
       Left(Main.PoNo,Len(Main.PoNo)-1) As "PoNo",Left(Main.PoDt,Len(Main.PoDt)-1) As "PoDt"
From
    (
        Select distinct ST2.Ibill_no, 
            (
                Select ST1.PoNo + ',' AS [text()]
                From dbo.items_sold ST1
                Where ST1.Ibill_no = ST2.Ibill_no
                ORDER BY ST1.Ibill_no
                For XML PATH ('')
            ) [PoNo],
            (
                Select cast(ST1.podate as char(11)) + ',' AS [text()]
                From dbo.items_sold ST1
                Where ST1.Ibill_no = ST2.Ibill_no
                ORDER BY ST1.Ibill_no
                For XML PATH ('')
            ) [PoDt]
        From dbo.items_sold ST2
    ) [Main]
END