Hope, A., & Nagler, J. (1991). Guide to German Historical Sources in North American Libraries and Archives: Anne Hope, Jörg Nagler. German Historical Institute.
Chicago-viite (17. p.)Hope, Anne, ja Jörg Nagler. Guide to German Historical Sources in North American Libraries and Archives: Anne Hope, Jörg Nagler. Washington, D.C.: German Historical Institute, 1991.
MLA-viite (8. p.)Hope, Anne, ja Jörg Nagler. Guide to German Historical Sources in North American Libraries and Archives: Anne Hope, Jörg Nagler. German Historical Institute, 1991.
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