Scales, Peter, 1949-
Open University Press, 2013
Buku Teks
Muhamad Ihsanudin
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2005
UI - Tesis Membership
Delphin, Patricia
Virgnia Reston publishing 1983 , 1983
Buku Teks
Livingstone, D.W.
Sense, 2012
eBooks
Emerald Publishing Limited, 2019
eBooks