APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

Langan, John. College Writing Skills, with Readings. 6th ed. McGraw-Hill, 2005.