Simple Way To Use Pivot In SQL Query

SELECT * FROM (SELECT year(invoiceDate) as [year], left(datename(month,invoicedate),3)as [month], _
InvoiceAmount as Amount FROM Invoice) as InvoiceResult


--------------------------
SELECT *
FROM (
    SELECT
        year(invoiceDate) as [year],left(datename(month,invoicedate),3)as [month],
        InvoiceAmount as Amount
    FROM Invoice
) as s
PIVOT
(
    SUM(Amount)
    FOR [month] IN (jan, feb, mar, apr,
    may, jun, jul, aug, sep, oct, nov, dec)
)AS pvt