Cornish, W.R. (William Rodolph), 1937-
Sweet & Maxwell, 1988
Buku Teks
Paul L.C. Torremans, editor
Kluwer Law International, 2008
Buku Teks
Meinhardt, Peter
Gower Press, 1971
Buku Teks
Sibley, J.F.
Aslib, 1991
Buku Referensi
Hana Oktaviandri
Fakultas Hukum Universitas Indonesia, 2020
UI - Skripsi Membership