APA引文

Langan, J. (2005). College writing skills (6th ed.). New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Langan, John. College Writing Skills. 6th ed. New York: McGraw-Hill, 2005.

MLA引文

Langan, John. College Writing Skills. 6th ed. New York: McGraw-Hill, 2005.