Rujukan Roda_tenaga

  1. 1 2 Lynn White, Jr., "Theophilus Redivivus", Technology and Culture, Vol. 5, No. 2. (Spring, 1964), Review, pp. 224–233 (233)
  2. Ahmad Y Hassan. "Flywheel Effect for a Saqiya". History-science-technology.com. Dicapai 2010-11-30. 
  3. Lynn White, Jr., "Medieval Engineering and the Sociology of Knowledge", The Pacific Historical Review, Vol. 44, No. 1. (Feb., 1975), pp. 1–21 (6)
  4. (page 10, accessed 1 Dec 2011, Moment of inertia tutorial