(2001). Silver burdett English.
Trích dẫn kiểu ChicagoSilver Burdett English. 2001.
MLA引文Silver Burdett English. 2001.
警告：这些引文格式不一定是100％准确.
APA引文
(2001). Silver burdett English.
Trích dẫn kiểu ChicagoSilver Burdett English. 2001.
MLA引文Silver Burdett English. 2001.