Peter Haddock, [date of publication not identified]
Buku Teks
Naufal Azizi
2017
UI - Tesis (Membership)
edited by Jennifer Terry, Melodie Calvert
Routledge Press, 1997
Buku Teks
Tiara Chairunnissa
2014
UI - Skripsi (Membership)
Annisa Dyah Wijayanti
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2016
UI - Skripsi (Membership)