APA引文

Ong, C. C., & Thimm, G. L. (2009). Joint-less walking robot.

Chicago Style Citation

Ong, Chong Chin., and Georg Lothar Thimm. Joint-less Walking Robot. 2009.

MLA引文

Ong, Chong Chin., and Georg Lothar Thimm. Joint-less Walking Robot. 2009.

警告：這些引文格式不一定是100％准確.