Becker, A. Jan Karski: From eyewitness to moral witness.
Cita Chicago Style (17a ed.)Becker, Annette. Jan Karski: From Eyewitness to Moral Witness.
Cita MLA (9a ed.)Becker, Annette. Jan Karski: From Eyewitness to Moral Witness.
Precaución: Estas citas no son 100% exactas.