APA-čujuhus (7. p.)
Black, D. Collins grammar and punchuation.
Chicago-čujuhus (17. p.)
Black, Duncan. Collins Grammar and Punchuation.
MLA-čujuhus (9. p.)
Black, Duncan. Collins Grammar and Punchuation.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.