O'Driscoll, N., & Pibeam, A. (2003). Big City: Student's book: Level 2. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoO'Driscoll, Nina, và Adrian Pibeam. Big City: Student's Book: Level 2. Oxford: Oxford Univ. Press, 2003.
MLA引文O'Driscoll, Nina, và Adrian Pibeam. Big City: Student's Book: Level 2. Oxford: Oxford Univ. Press, 2003.
警告：这些引文格式不一定是100％准确.