Rilly, Claude, author
Cambridge University Press, 2012
eBooks
United Nations, 1978
Buku Teks
Khaidir Anwar
Gadjah Mada University Press, 1985
Buku Teks
Purwadi, author
Media Abadi, 2012
Buku Teks
Kapliwatzky, Jochanan, author
Rubin Mass, 1954
Buku Referensi