Tony Kent, Reva Brown, editor
Routledge, 2009
Buku Teks
Artikel Jurnal
Riska Inki Fitria, author
Universitas Indonesia, 2016
UI - Tesis (Membership)
Oky Pratama, author
2017
UI - Skripsi (Membership)
Feby Rahmawati, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Tesis (Membership)