Witherell, J. W. (1986). Afghanistan: An American perspective. For sale by the Superintendent of Documents.
Citazione stile Chigago Style (17a edizione)Witherell, Julian W. Afghanistan: An American Perspective. Washington, D.C: For sale by the Superintendent of Documents, 1986.
Citatione MLA (9a ed.)Witherell, Julian W. Afghanistan: An American Perspective. For sale by the Superintendent of Documents, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.