(1978). International diving and insurance symposium. Marine Technology Society.
Chicago-čujuhus (17. p.)International Diving and Insurance Symposium. Washington, D.C: Marine Technology Society, 1978.
MLA-čujuhus (9. p.)International Diving and Insurance Symposium. Marine Technology Society, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.