Alexander, L. (1971). New concept English. :.
Trích dẫn kiểu ChicagoAlexander, L.G. New Concept English. :, 1971.
MLA引文Alexander, L.G. New Concept English. :, 1971.
警告：这些引文格式不一定是100％准确.
APA引文
Alexander, L. (1971). New concept English. :.
Trích dẫn kiểu ChicagoAlexander, L.G. New Concept English. :, 1971.
MLA引文Alexander, L.G. New Concept English. :, 1971.