edited by Valters Nollendorfs and Karl F. Markgraf
German Academic Exchange Service, 1986
Buku Referensi
edited by. Valters Nollendorfs and Geoffrey S. Koby
German Studies Information, 1991
Buku Referensi
editor by Anthony Tatlow
Hong Kong University Press, 1982
Buku Referensi
Brookes, Arthur
Cambridge University Press, 1990
Buku Teks
Sahin, Muhammed, author
Emerald, 2016
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