APA-čujuhus (7. p.)
International Journal of Systems and Society (IJSS).
Chicago-čujuhus (17. p.)
International Journal of Systems and Society (IJSS).
MLA-čujuhus (9. p.)
International Journal of Systems and Society (IJSS).
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.