Citazione Stile APA (7a Edizione)

Bräuninger, M., & Niebuhr, A. (2005). Agglomeration, Spatial Interaction and Convergence in the EU.

Citazione stile Chigago Style (17a edizione)

Bräuninger, Michael, e Annekatrin Niebuhr. Agglomeration, Spatial Interaction and Convergence in the EU. Hamburg, 2005.

Citatione MLA (8a ed.)

Bräuninger, Michael, e Annekatrin Niebuhr. Agglomeration, Spatial Interaction and Convergence in the EU. 2005.