Morley, Neville
Antiquity and modernity
Wiley-Blackwell, 2009
 Buku Teks
Brackman, Arnold C.
The Communist Collapse in Indonesia / Arnold C. Brackman
Asia Pacific Press, 1970
 Buku Teks SO
Brackman, Arnold C.
The Communist collapse in Indonesia / Arnold C. Brackman.
Asia Pasific Press, 1970.
 Buku Teks SO
Friendly, Fred W.
The constitution that delicate balance landmark cases that shaped the constitution
Random House, 1984
 Buku Teks
Hook, Patrick
The world of butterflies : a fully illustrated guide to these delicate jewels of nature
Gramercy Books, 1999
 Buku Referensi