• Credible Hulk  

    “The Credible Hulk.” Chicago Public Library Tumblr, 19 June 2013, chicagopubliclibrary.tumblr.com/ post/53362727955/the-credible-hulk-always-cites-his-sources. 

     

                Do Not Copy

    “Do Not Copy.” Himmelfarb Health Sciences Library, George Washington University, 22 Mar. 2018, libguides.gwumc.edu/c.php?g=27779&p=170371.