Law of the Republic of Indonesia number 4 year 2009 on mineral and coal mining
Suria Nataadmadjia and Associates
Hilights Law Offices, 2009
 Buku Teks
Niti Inda Maitasari, author
Penyusunan transfer pricing documentation PT KLM tahun 2009 = The Arrangement of transfer pricing documentation of PT KLM for year 2009
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
 UI - Skripsi (Open)
Bullock, Barbara, author
Focus on pathophysiology
Lippincott , 2000
 Buku Teks
Berman, Harold J., author
The Russians in focus
Little, Brown, 1953
 Buku Teks
Focus on the Netherlands
Ministry of Foreign Affairs Netherlands, Communication Division (DVL/VB) ,
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