MLA

El Sawy, Omar A, and Francis Pereira. Business Modelling In the Dynamic Digital Space. Springer Berlin Heidelberg, 2013.

APA

El Sawy, O. A, & Pereira, F. (2013). Business Modelling in the Dynamic Digital Space. Springer Berlin Heidelberg.

Chicago

El Sawy, Omar A., and Francis Pereira. Business Modelling In the Dynamic Digital Space. : Springer Berlin Heidelberg, 2013.