Wiley, 1983
Buku Teks
Elias G. Carayannis, Urmas Varblane, Tonu Roolaht, editors
[Springer, ], 2012
eBooks
Sienkiewicz, Henryk, 1846-1916, author
Maxwell Macmillan International, 1991
Buku Teks
Webb, James, author
Bantam Books, 2001
Buku Teks
Taylor, Andrew, author
University of Queensland Press, 1976
Buku Teks