Gaya APA

Towns, Elmer R., Anderson, Nathan. (2003). 21st Century Tools and Techniques . : Thomson Custom Publishing.

Gaya Chicago

Towns, Elmer R., Anderson, Nathan. 21st Century Tools and Techniques. : Thomson Custom Publishing, 2003. Academic.

Gaya MLA

Towns, Elmer R., Anderson, Nathan. 21st Century Tools and Techniques. : Thomson Custom Publishing, 2003. Academic.

Gaya Turabian

Towns, Elmer R., Anderson, Nathan. 21st Century Tools and Techniques. : Thomson Custom Publishing, 2003. Academic.