STONE, A. A., & GULVIN, H. E. (1977). Machines for power farming.-- 3rd ed. John Wiley and Sons.
Chicago-čujuhus (17. p.)STONE, Archie A., juo Harold E. GULVIN. Machines for Power Farming.-- 3rd Ed. New York: John Wiley and Sons, 1977.
MLA-čujuhus (9. p.)STONE, Archie A., juo Harold E. GULVIN. Machines for Power Farming.-- 3rd Ed. John Wiley and Sons, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.