Chipkevich Robert J. & Canal PublicResourceOrg / Youtube. Ensuring Safety, Transporting Hazardous Materials by Air, Research and Special Programs Administration; Federal Aviation Administration.
Chicago-čujuhus (17. p.)Chipkevich Robert J. juo Canal PublicResourceOrg / Youtube. Ensuring Safety, Transporting Hazardous Materials by Air, Research and Special Programs Administration; Federal Aviation Administration.
MLA-čujuhus (9. p.)Chipkevich Robert J. juo Canal PublicResourceOrg / Youtube. Ensuring Safety, Transporting Hazardous Materials by Air, Research and Special Programs Administration; Federal Aviation Administration.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.