Buchan, J. (1959). The thirty-nine steps (New ed. (re-set).). Pan Books.
Chicago-čujuhus (17. p.)Buchan, John. The Thirty-nine Steps. New ed. (re-set). London: Pan Books, 1959.
MLA-čujuhus (9. p.)Buchan, John. The Thirty-nine Steps. New ed. (re-set). Pan Books, 1959.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.