SIMS, J. A., & JOHNSON, L. E. (1972). Animals in the American economy. The Iowa State University.
Chicago-čujuhus (17. p.)SIMS, John A., juo Leslie E. JOHNSON. Animals in the American Economy. Iowa: The Iowa State University, 1972.
MLA-čujuhus (9. p.)SIMS, John A., juo Leslie E. JOHNSON. Animals in the American Economy. The Iowa State University, 1972.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.