Reimann, Mathias, 1955-, author
Transnational Publishers, 1995
Buku Teks
Frederick A. Praeger, 1967
Buku Teks
Coats, Willson H.
McGraw-Hill, 1966
Buku Teks
edited by Geoffrey A. Hosking and George F. Cushing
Macmillan Press, 1989
Buku Teks
Emerald Publishing Limited, 2019
eBooks