Erwin, Wallace M. Elementary modern standard Arabic / Mabadi' al-'Arabiyah al-mu'asirah Wallace M. Erwin ... [et al.] - Ann arbor, Michigan : Lujnat al-Jami'ah al-Mushtarikah li Lughat al-Sharq al-Uduni, 1968 - v. ; 28 cm. Subjects--Topical Terms: Arabic language--Grammar