Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1990
UI - Skripsi (Membership)
Ade Sabrina Nurmanthias, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1992
UI - Skripsi (Membership)
Middleton, Victor T.C., author
Butterworth-Heinemann, 2000
Buku Teks
Gabby Evitho, author
2014
UI - Tugas Akhir
Boniface, Brian G, author
Routledge, 2016
Buku Teks