Schaeper, T. J. (2011). Edward Bancroft: Scientist, author, spy. Yale University Press.
Chicago-čujuhus (17. p.)Schaeper, Thomas J. Edward Bancroft: Scientist, Author, Spy. New Haven [Conn.]: Yale University Press, 2011.
MLA-čujuhus (9. p.)Schaeper, Thomas J. Edward Bancroft: Scientist, Author, Spy. Yale University Press, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.