APA (7e ed.) Bronvermelding

Langan, J. (2014). College writing skills with readings 9th ed. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Langan, John. College Writing Skills with Readings 9th Ed. McGraw-Hill, 2014.

MLA (8e ed.) Bronvermelding

Langan, John. College Writing Skills with Readings 9th Ed. McGraw-Hill, 2014.