APA-čujuhus (7. p.)

History Today. History Today Ltd.

Chicago-čujuhus (17. p.)

History Today. History Today Ltd.

MLA-čujuhus (9. p.)

History Today. History Today Ltd.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.