Schnitzer, Martin C.
Rand McNally College Publishing , 1978
Buku Teks
Schnitzer, Martin C.
Honghton Miffn, 1987
Buku Teks
Butler, Henry N., author
South-Western Publishing, 1987
Buku Teks
Kausar Dwi Kusuma, author
Fakultas Hukum Universitas Indonesia, 2016
UI - Tesis (Membership)
Matsushita, Mitsuo, author
University of Tokyo Press , 1989
Buku Teks