Horn, K. (1967). Input - Output - Tables. The Institute of National Planning.
Chicago-čujuhus (17. p.)Horn, Karl-Heinz. Input - Output - Tables. Cairo: The Institute of National Planning, 1967.
MLA-čujuhus (9. p.)Horn, Karl-Heinz. Input - Output - Tables. The Institute of National Planning, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.