Ruth Hubbard. Great Neck Publishing.
Chicago-čujuhus (17. p.)Ruth Hubbard. Great Neck Publishing.
MLA-čujuhus (9. p.)Ruth Hubbard. Great Neck Publishing.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)