Erickson, Carlton W.H.
McMillan , 1959
Buku Teks
Haas, Kenneth B.A.O.
Prentice-Hall, 1960
Buku Teks
Brown, James Ward, 1934-, author
McGraw-Hill, 1964
Buku Teks
Amir Hamzah Suleiman
Gramedia, 1981
Buku Teks
Muhammad Fitrah Noor, author
Fakultas Hukum Universitas Indonesia, 2018
UI - Tesis (Membership)