"How Many Ministers Does It Take To Change A Lightbulb?". "The People's Authoritarian Party" with Lee Hsien Loong and Denise Phua, www.theonlinecitizen.com. October 1, 2001.
"The Singapore Story: Memoirs of Lee Kuan Yew, Vol. 1". Book by Lee Kuan Yew, Marshall Cavendish International Asia Pte Ltd (proclamation of Singapore separation from Malaysia, August 9, 1965), 2012.
Said at National Day Rally in 1988. "The Cambridge History of Southeast Asia: Volume 2, The Nineteenth and Twentieth Centuries". Book edited by Nicholas Tarling, 1992.