Page, Stephen J.
Royutledge, 1995
Buku Teks
Law, Christopher M.
Continuum, 2002
Buku Teks
Inkpen, Gary
Longman , 1998
Buku Teks
Sznajder, Michat Jacenty, authpr
Taylor and Francis, 2016
Buku Teks
Arie Rusmayanti
Fakultas Teknik Universitas Indonesia, 2023
UI - Skripsi Membership