Espiritu, J. R. S. (2013). Mechanical optimization of bipedal gait movement. College of Enginnering, University of the Philippines Diliman.
Chicago-referens (17:e uppl.)Espiritu, Joshua Romeo S. Mechanical Optimization of Bipedal Gait Movement. Quezon City: College of Enginnering, University of the Philippines Diliman, 2013.
MLA-referens (9:e uppl.)Espiritu, Joshua Romeo S. Mechanical Optimization of Bipedal Gait Movement. College of Enginnering, University of the Philippines Diliman, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.