APA-čujuhus (7. p.)
Swann Auction Galleries. Maps & Atlases, Natural History & Color Plate Books.
Chicago-čujuhus (17. p.)
Swann Auction Galleries. Maps & Atlases, Natural History & Color Plate Books.
MLA-čujuhus (9. p.)
Swann Auction Galleries. Maps & Atlases, Natural History & Color Plate Books.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.