Alan Melville
Prentice-Hall, 2001
Buku Teks
Diani Putri Pracasya, author
Fakultas Hukum Universitas Indonesia, 2020
UI - Tesis (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Mckee, Elmore M., author
Washington Square Press, 1960
Buku Teks
Cruickshank, Donald R., author
McGraw-Hill, 2012
Buku Teks