Παραπομπή APA

Mackensen, M. (1999). Late Roman fortifications and building programmes in the province of Raetia. Portsmouth, RI.

Παραπομπή Chicago Style

Mackensen, Michael. Late Roman Fortifications and Building Programmes in the Province of Raetia. Portsmouth, RI, 1999.

Παραπομπή MLA

Mackensen, Michael. Late Roman Fortifications and Building Programmes in the Province of Raetia. Portsmouth, RI, 1999.