APA-Zitierstil (7. Ausg.)

Beulen, E. (2011). Managing IT outsourcing (2nd ed.). Routledge.

Chicago-Zitierstil (17. Ausg.)

Beulen, Erik. Managing IT Outsourcing. 2nd ed. New York: Routledge, 2011.

MLA-Zitierstil (9. Ausg.)

Beulen, Erik. Managing IT Outsourcing. 2nd ed. Routledge, 2011.