edited by Mary Langan
Routledge, 1998
Buku Teks
Filipe, Joaquim
Springer, 2008
Buku Teks
Selby, David
Cambridge University Press, 1988
Buku Teks
Springer Singapore, 2019
eBooks
Alviana Inas Azizah
Fakultas Ekonomi Dan Bisnis Universitas Indonesia, 2020
UI - Skripsi Membership