Rowlan, Donald T.
Springer, 2012
eBooks
Lapidus, Ira M., author
Cambridge University Press, 2014
Buku Teks
Matras, Judah
Prentice-Hall, 1973
Buku Teks
Hoogvelt, Ankie M. M., author
Macmillan, 1994
Buku Teks
edited, Hamza Alavi, Teodor Shanin
Macmillan, 1982
Buku Teks