Frohn, A., & Hope, A. (1989). Guide to Inventories and finding aids of german Archives: Axel Frohn. With the assistance of Anne Hope. : German Historical Institute.
Cita Chicago (17th ed.)Frohn, Axel, i Anne Hope. Guide to Inventories and Finding Aids of German Archives: Axel Frohn. With the Assistance of Anne Hope. Washington: : German Historical Institute, 1989.
Cita MLA (8th ed.)Frohn, Axel, i Anne Hope. Guide to Inventories and Finding Aids of German Archives: Axel Frohn. With the Assistance of Anne Hope. : German Historical Institute, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.