Lester, J. D. (1967). Writing research papers: A complete guide. Scott,Foresman and co..
Chicago-čujuhus (17. p.)Lester, James D. Writing Research Papers: A Complete Guide. Illinois: Scott,Foresman and co., 1967.
MLA-čujuhus (9. p.)Lester, James D. Writing Research Papers: A Complete Guide. Scott,Foresman and co., 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.