Pfannkuch, Hans-Olaf
Elsevier Pub. Co., 1969
Buku Referensi
edited by Marie-Helene Correard
Oxford University Press, [Date of publication not identified]
Buku Referensi
Surenne, Gabriel
Oliver and Boyd, [date of publication not identified]
Buku Referensi
Routledge, 1997
Buku Referensi
Routledge, 1997
Buku Referensi