Langan, J., & John Langan. (2008). English skills with readings. Boston: McGraw-Hill Higher Education.
استشهاد بنمط شيكاغوLangan, John, و John Langan. English Skills With Readings. Boston: McGraw-Hill Higher Education, 2008.
MLA استشهادLangan, John, و John Langan. English Skills With Readings. Boston: McGraw-Hill Higher Education, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.