1. Anderson, Kym,“Industrial trade and Australian protectionism”, Policy discussion paper, Center for international economic studies, university of Adelaide, Australia, February 1993
2. http://www.ukessays.com/essays/economics/protectionist-policies-effects-on-international-trade-economics-essay.php
3. https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=0CEAQFjAD&url=http%3A%2F%2Fphilipboulton.escuelacampoalegre.wikispaces.net%2Ffile%2Fview%2FFree%2BTrade%2B%2526%2BProtectionism-Part%2B1-International%2BEconomics.pptx&ei=ykZ4U6bMGIqyuASHy4H4CQ&usg=AFQjCNGnuvWQ4vdzuxxLffBgY_QRajhkrA&sig2=jwSsR2kHs7awpQ19ubgvOQ&bvm=bv.66917471,d.c2E
4. http://www.economicshelp.org/trade/arguments-against-free-trade/
5. http://www.wright.edu/~tdung/Chapter9_Pugel.htm
6. http://public.econ.duke.edu/Papers//Other/Tower/Protectionism.pdf
7. http://www.docstoc.com/docs/113279707/Arguments-for-_-Against-Protectionism-Answer-Sheet
8. http://internationalecon.com/Trade/Tch120/T120-1.php
9. http://www.farmfoundation.us/news/articlefiles/831-kerrpaper.pdf