Heffernan, J. A. W., & Lincoln, J. E. (1994). Writing: A college handbook (4th ed.). W. W. Norton.
Chicago-čujuhus (17. p.)Heffernan, James A. W., juo John E. Lincoln. Writing: A College Handbook. 4th ed. New York: W. W. Norton, 1994.
MLA-čujuhus (9. p.)Heffernan, James A. W., juo John E. Lincoln. Writing: A College Handbook. 4th ed. W. W. Norton, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.