Longan, J. (2017). College Writing Skills with Readings (7th ed.). McGraw Hill.
Chicago-čujuhus (17. p.)Longan, John. College Writing Skills with Readings. 7th ed. Chennai: McGraw Hill, 2017.
MLA-čujuhus (9. p.)Longan, John. College Writing Skills with Readings. 7th ed. McGraw Hill, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.