Artikel Jurnal
Mirakhor, Abbas, author
Islamic Research and Training Institute, 2007
Buku Teks
Kautilya
Mysore Wesleyann Mission Press 1929
Buku Teks
Maugham, W. Somerset, author
Heineman, 1949
Buku Teks
Budi Susilo Soepandji...[et al.]
Fakultas Teknik Universitas Indonesia, 2001
Buku Teks