Παραπομπή σε μορφή APA (7η εκδ.)

Spengel, C., & Oestreicher, A. (2012). Common Corporate Tax Base in the EU: Impact on the Size of Tax Bases and Effective Tax Burdens. Physica-Verlag HD.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spengel, Christoph, και Andreas Oestreicher. Common Corporate Tax Base in the EU: Impact on the Size of Tax Bases and Effective Tax Burdens. Heidelberg: Physica-Verlag HD, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Spengel, Christoph, και Andreas Oestreicher. Common Corporate Tax Base in the EU: Impact on the Size of Tax Bases and Effective Tax Burdens. Physica-Verlag HD, 2012.