- https://www.renfei.org/
- https://www.renfei.org/about-me.html
- https://www.linkedin.com/in/renfeisong
- http://www.imdb.com/user/ur23770870/ratings?start=1&view=detail&sort=release_date_us:desc&defaults=1&my_ratings=restrict&scb=0.99348741501548
- http://www.facebook.com/renfei.song
- https://plus.google.com/107044634030176463460?rel=author