edited by Rolf Toman; photos by Achim Bednorz
H.F. Ullmann, 2010
Buku Referensi
Radding, Charles M.
Yale University Press, 1991
Buku Teks
Clapham, Alfred, Sir
Longman, Green, 1950
Buku Teks
edited by Anna Ray-Jones; foreword, Eiji Maki and William A. McDonough
Wiley-Academy, 2000
Buku Teks
Watanabe, Hiroshi, 1938-
Meisie Publications, 1996
Buku Teks