Haines, Charles Grove, author
Russell and Russell, 1959
Buku Teks
Radin, Max
St Paul Minn, 1936
Buku Teks
Mochamad Kemal Kono, author
2016
UI - Skripsi (Membership)
Lambert, Thomas, author
Oxford University Press, 2017
eBooks
Atiyah, P. S.
Oxford University Press , 1987
Buku Teks