APA (7th ed.) Citation

Calder, D., & Pham, D. (2009). Travel aids for the blind ? the digital ecosystem solution. IEEE.

Chicago Style (17th ed.) Citation

Calder, David, and Duc-Truong Pham. Travel Aids for the Blind ? the Digital Ecosystem Solution. IEEE, 2009.

MLA (9th ed.) Citation

Calder, David, and Duc-Truong Pham. Travel Aids for the Blind ? the Digital Ecosystem Solution. IEEE, 2009.

Warning: These citations may not always be 100% accurate.