Aiyangar, S. Krishnasvami
University of Calcutta, 1942
Buku Teks
Woodroffe, John
Ganesh & Co,, 1919
Buku Teks
Le May, Reginald
George Allen and Unwin, 1954
Buku Teks
edited by Manjulika Dubey and Bikram Grewal
Hofer Press, 1992
Buku Referensi
Yudis Irfandi, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2020
UI - Tugas Akhir