Dinkins, Rodney R. (2007). "Origin Of HI HI". ORIGIN OF HAM SPEAK – FACT, LEGENDS AND MYTHS. Archived from the original on July 10, 2005. Retrieved September 21, 2010.
Graeme Diamond (March 24, 2011). "New initialisms in the OED". Oxford English Dictionary. Archived from the original on March 25, 2011. Retrieved March 28, 2011.
Graeme Diamond (March 24, 2011). "New initialisms in the OED". Oxford English Dictionary. Archived from the original on March 25, 2011. Retrieved March 28, 2011.
Dinkins, Rodney R. (2007). "Origin Of HI HI". ORIGIN OF HAM SPEAK – FACT, LEGENDS AND MYTHS. Archived from the original on July 10, 2005. Retrieved September 21, 2010.