APA-čujuhus (7. p.)
Berry, D. M., & Martin, G. P. A Guide to Writing Research Papers. McGraw-Hill.
Chicago-čujuhus (17. p.)
Berry, Dorothea M., juo Gordon P. Martin. A Guide to Writing Research Papers. Nueva York, EUA: McGraw-Hill.
MLA-čujuhus (9. p.)
Berry, Dorothea M., juo Gordon P. Martin. A Guide to Writing Research Papers. McGraw-Hill.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.