Longan, J. (2017). College Writing Skills with Readings (7th ed.). McGraw Hill.
Chicago Style (17. basım) AtıfLongan, John. College Writing Skills with Readings. 7th ed. Chennai: McGraw Hill, 2017.
MLA (9th ed.) AtıfLongan, John. College Writing Skills with Readings. 7th ed. McGraw Hill, 2017.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..