Rapoport, Amos
Plenum Press, 1990
Buku Teks
Field, G. Lowell
Cornell University Press, 1967
Buku Teks
Sinaga, Reindra Jasper H.
Fakultas Hukum Universitas Indonesia, 2014
UI - Skripsi Membership
Rivkin, Malcolm D.
Frederick A. Praeger, 1965
Buku Teks
Andhika Budiantono Irfan
Fakultas Teknik Universitas Indonesia, 2020
UI - Skripsi Membership