Digital Excellence

MLA

Welfens, Paul J.J; Walther-Klaus, Ellen, Ellen Walther-Klaus, and Paul J. J Welfens. Digital Excellence. Springer Berlin Heidelberg, 2008.

APA

Welfens, E., Walther-Klaus, E., & Welfens, P. J. J. (2008). Digital Excellence. Springer Berlin Heidelberg.

Chicago

Welfens, Paul J.J; Walther-Klaus, Ellen, Ellen Walther-Klaus, and Paul J. J Welfens. Digital Excellence. : Springer Berlin Heidelberg, 2008.