Minor, L. J. (1983). Sanitation, safety and environmental standards. Avi.
Chicago-čujuhus (17. p.)Minor, Lewis J. Sanitation, Safety and Environmental Standards. Westport: Avi, 1983.
MLA-čujuhus (9. p.)Minor, Lewis J. Sanitation, Safety and Environmental Standards. Avi, 1983.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.