MLA

Lammersen, Lothar, and Robert Schwager. The Effective Tax Burden of Companies In European Regions. Physica-Verlag HD, 2005.

APA

Lammersen, L., & Schwager, R. (2005). The Effective Tax Burden of Companies in European Regions. Physica-Verlag HD.

Chicago

Lammersen, Lothar, and Robert Schwager. The Effective Tax Burden of Companies In European Regions. : Physica-Verlag HD, 2005.