PREGILL PHILIP. (1993). LANDSAPES IN HISTORY. VANNOSTRAND REHINLAND.
Chicago-čujuhus (17. p.)PREGILL PHILIP. LANDSAPES IN HISTORY. NEW YORK: VANNOSTRAND REHINLAND, 1993.
MLA-čujuhus (9. p.)PREGILL PHILIP. LANDSAPES IN HISTORY. VANNOSTRAND REHINLAND, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.