Wohlwill, E. The Discovery of the Parabolic Shape of the Projectile Trajectory: Emil Wohlwill. Galileo in context.(2001).
Chicago-referens (17:e uppl.)Wohlwill, Emil. "The Discovery of the Parabolic Shape of the Projectile Trajectory: Emil Wohlwill." Galileo in Context.(2001) .
MLA-referens (8:e uppl.)Wohlwill, Emil. "The Discovery of the Parabolic Shape of the Projectile Trajectory: Emil Wohlwill." Galileo in Context.(2001), .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.