Pandu Hutomo, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2015
UI - Skripsi (Membership)
Akesson, Bjorn, author
Taylor & Francis Group, 2008
Buku Teks
Victor, D. Johnson, author
Oxford and IBH, 1980
Buku Teks
edited by Wai-Fah Chen, Lian Duan
CRC Press, 1999
Buku Referensi
Oby Robini, author
2017
UI - Skripsi (Membership)