Longan, J. (2017). College Writing Skills with Readings (7th ed.). McGraw Hill.
Citazione stile Chigago Style (17a edizione)Longan, John. College Writing Skills with Readings. 7th ed. Chennai: McGraw Hill, 2017.
Citatione MLA (9a ed.)Longan, John. College Writing Skills with Readings. 7th ed. McGraw Hill, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.