Balasko, Yves
World Scientific, 2016
Buku Teks
Cardenete, Manuel Alejandro
[Springer, ], 2012
eBooks
Yeldan, A. Erinc
University of Minnesota, 1987
Buku Teks
Grava, Sigurd
McGraw-Hill , 2003
Buku Teks
Triffin, Robert
Harvard University Press, 1941
Buku Teks