To Turn On or Off the Display of a Reference
Do one of the following:
In the References dialog's list box, click the Display column of the entry for the reference.
or
From the References dialog's Properties menu, choose Attachment. The Attachment Properties dialog opens for the selected reference. Turn the Display check box off or on.
or
In the References dialog's list box, double-click the reference. The Attachment Properties dialog opens for the selected reference. Turn the Display check box off or on.