(1976). The great whales. National Geographic Society.
Chicago-čujuhus (17. p.)The Great Whales. Washington, DC: National Geographic Society, 1976.
MLA-čujuhus (9. p.)The Great Whales. National Geographic Society, 1976.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.