LANGE, O. (1967). Essays on economic planning. Asia Publishing House.
Chicago-čujuhus (17. p.)LANGE, Oskar. Essays on Economic Planning. Bombay: Asia Publishing House, 1967.
MLA-čujuhus (9. p.)LANGE, Oskar. Essays on Economic Planning. Asia Publishing House, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.