O'Driscoll, N., & Pibeam, A. (2004). Big City: Student's book: Level 3. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoO'Driscoll, Nina, và Adrian Pibeam. Big City: Student's Book: Level 3. Oxford: Oxford Univ. Press, 2004.
MLA引文O'Driscoll, Nina, và Adrian Pibeam. Big City: Student's Book: Level 3. Oxford: Oxford Univ. Press, 2004.
警告：這些引文格式不一定是100％准確.