Litta, Henriette, author
VS Verlag, 2012
eBooks
edited by Andrew Harrison, Eric Loe, James Read
E & FN Spon, 1998
Buku Teks
editors, Takuji Kinkyo, Takeshi Inoue, Shigeyuki Hamori
World Scientific, 2016
Buku Teks
edited by Harold Brookfield and Yuonne Byron
United Nations University Press, 1993
Buku Teks
Hall, D.G.E., author
Macmillan, 1968
Buku Teks