Verdross, Alfred
Wien, 1959
Buku Teks
Mochtar Kusumaatmadja, author
Binacipta, 1976
Buku Teks
Bowett, D. W. (Derek William), author
Stevens & Sons , 1982
Buku Teks
Bowett, D. W. (Derek William), author
Sinar Grafika, 1992
Buku Teks
Henckaerts, Jean-Marie, author
Martinus Nijhoff , 1995
Buku Teks