Cambridge University Press, 2009
eBooks
Ronny Yudhi Septa Priana, author
2013
UI - Tesis (Membership)
edited by Stephen Barbour and Cathie Carmichael
Oxford University Press, 2000
Buku Teks
Morris, Michael A, author
Palgrave Macmillan, 2016
Buku Teks
Page, R.B. Le
Oxford University Press, 1964
Buku Teks