Maureen Ryan
Sense, 2012
eBooks
Rifa`atul Mahmudah, author
Universitas Indonesia, 2013
UI - Skripsi (Membership)
Fischer, Louis, author
Pembangunan , 1967
Buku Teks
Hart-Smith, William
Butterfly Books, 1991
Buku Teks
Epictetus
Al Burt, [date of publication not identified]
Buku Teks