Day, A., & Harvet, J. M. (1994). Walford's guide to reference material: Social and historical sciences,philosophy and religion (6th ed.). Library association publishing.
Chicago-čujuhus (17. p.)Day, Alan, juo Joan M. Harvet. Walford's Guide to Reference Material: Social and Historical Sciences,philosophy and Religion. 6th ed. London: Library association publishing, 1994.
MLA-čujuhus (9. p.)Day, Alan, juo Joan M. Harvet. Walford's Guide to Reference Material: Social and Historical Sciences,philosophy and Religion. 6th ed. Library association publishing, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.