Seshandri-Crooks, Kalpana, author
Routledge, 2000
Buku Teks
Glasgow, Joshua, author
Routledge, 2009
Buku Teks
Banton Michael, author
Tavistock Publications, 1969
Buku Teks
Mason, Philip, author
Oxford University Press, 1970
Buku Teks
Zulian Ismail Dewandanu, author
Fakultas Teknik Universitas Indonesia, 2022
UI - Skripsi (Membership)