Cambridge University Press , 2012
Buku Teks
Kluger, Richard
Vintage Books , 1977
Buku Teks
George, Carol V. R., author
Oxford University Press, 2016
eBooks
Arfive Gandhi, author
2015
UI - Tugas Akhir
Schlesinger, Yames R.
Frederick A. Praeger, 1960
Buku Teks