APA引文

Langan, J. (2005). College writing skills, with readings (6th ed.). Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Langan, John. College Writing Skills, With Readings. 6th ed. Boston: McGraw-Hill, 2005.

MLA引文

Langan, John. College Writing Skills, With Readings. 6th ed. Boston: McGraw-Hill, 2005.