Nunan, D. (2000). Go for it! Boston, MA: Heinle & Heinle pub.
Trích dẫn kiểu ChicagoNunan, David. Go for It! Boston, MA: Heinle & Heinle pub, 2000.
MLA引文Nunan, David. Go for It! Boston, MA: Heinle & Heinle pub, 2000.
警告：这些引文格式不一定是100％准确.
APA引文