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Buku Teks
Boit, Hans G.
Akademie-Verlag, 1960
Buku Referensi
Schoenfeld, David
Oceana Publications, 1975
Buku Teks
Leavel, Hugh Rodman
McGraw-Hill, 1958
Buku Teks
Khozin Alfani
Fakultas Hukum Universitas Indonesia, 2023
UI - Tesis Membership