Low, O. (1975). A new certificate of proficiency English: Course for foreign students with use of English (3.ed.). Arnold.
Chicago-Zitierstil (17. Ausg.)Low, Ona. A New Certificate of Proficiency English: Course for Foreign Students with Use of English. 3.ed. London: Arnold, 1975.
MLA-Zitierstil (9. Ausg.)Low, Ona. A New Certificate of Proficiency English: Course for Foreign Students with Use of English. 3.ed. Arnold, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.