The reference librarian. Haworth Press.
Chicago-čujuhus (17. p.)The Reference Librarian. New York: Haworth Press.
MLA-čujuhus (9. p.)The Reference Librarian. Haworth Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.