Boniface, Brian G, author
Routledge, 2016
Buku Teks
Middleton, Victor T.C., author
Butterworth-Heinemann, 2000
Buku Teks
Avelia Paramudita, author
2015
UI - Skripsi (Membership)
Mancini, Marc, author
Thomson/Delmar Learning, 2005
Buku Teks
Dewi Agustin Pratama Sari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Tesis (Membership)