ADAMS SIMON. (2019). GREAT JUNIOR ENCYCLOPEDIA GREAT EXPLORERS (2013 Ed.). PARRAGON BOOK PUBLISHERS.
Chicago-čujuhus (17. p.)ADAMS SIMON. GREAT JUNIOR ENCYCLOPEDIA GREAT EXPLORERS. 2013 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.
MLA-čujuhus (9. p.)ADAMS SIMON. GREAT JUNIOR ENCYCLOPEDIA GREAT EXPLORERS. 2013 Ed. PARRAGON BOOK PUBLISHERS, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.