edited by Robin Churchill, David Freestone
Graham & Trotman/M. Nijhoff , 1991
Buku Teks
Trachtman, Joel P.
Cambridge University Press , 2013
Buku Teks
Cambridge University Press, 2019
eBooks
Rania Saraswati Wijayakusumah
Fakultas Teknik Universitas Indonesia, 2020
UI - Skripsi Membership
edited by. Vinod K. Lal, Danial Khemchand
Anmol Publications, 1997
Buku Referensi