(2002). Focus on reading and writing.
Trích dẫn kiểu ChicagoFocus On Reading and Writing. 2002.
MLA引文Focus On Reading and Writing. 2002.
警告：这些引文格式不一定是100％准确.
APA引文
(2002). Focus on reading and writing.
Trích dẫn kiểu ChicagoFocus On Reading and Writing. 2002.
MLA引文Focus On Reading and Writing. 2002.