Driver, Christopher
Hodder and Stoughton , 1971
Buku Teks
[ISOS, University of Kassel, Universitas Indonesia], 2010
UI - Makalah dan Kertas Kerja
Soedjana Sapiie...[et al.]
Departemen Pendidikan dan Kebudayaan RI, 1980
Buku Teks
The Australian National University , 1989
Buku Teks
Bernhard, Andrea, author
VS Research, 2012
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