APA Citatie

Langan, J., & John Langan. (2008). English skills with readings. Boston: McGraw-Hill Higher Education.

Chicago Style citaat

Langan, John, en John Langan. English Skills With Readings. Boston: McGraw-Hill Higher Education, 2008.

MLA citatie

Langan, John, en John Langan. English Skills With Readings. Boston: McGraw-Hill Higher Education, 2008.

Let op: Deze citaties zijn niet altijd 100% accuraat.