Oppenheim, L.
International law : a treatise
Longman, Green, 1969
 Buku Teks SO
Oppenheim, L.
International law: a treatise
Longman, Green, 1955
 Buku Teks SO
Oppenheim, L.
International law : a treatise
Longman, Green, 1960
 Buku Teks SO
Oppenheim, L.
International law : a treatise
Longmas, Green , 1961
 Buku Teks SO
Oppenheim, L.
International law: a treatise / by L. Oppenheim
Longman, Green, 1921
 Buku Teks SO