Chandos, 2013
eBooks
Pace, Andrew K.
[American Library association, ], 2003
eBooks
Dahl, Mark
Chandos Publishing, 2006
Buku Teks SO
Abdul Rahman Saleh
Sagung Seto, 2010
Buku Teks SO
Putu Laxman Sanjaya Pendit
Cita Karyakarsa Mandiri, 2008
Buku Teks SO