like so
Code:
Sub CopySheetl()
Dim wkbSource As Workbook
Dim wkbDest As Workbook
Dim shtToCopy As Worksheet
Set wkbSource = Workbooks.Open("C:\MyWorkBookSource.xlsm")
Set wkbDest = Workbooks.Open("C:\MyWorkBookDest.xlsm")
Set shtToCopy = wkbSource.Sheets("mySheet")
shtToCopy.Copy wkbDest.Sheets(1)
End Sub