Davie, Grace, author
SAGE, 2013
Buku Teks
O`Dea, Thomas F., author
Rajawali, 1985
Buku Teks
Weber, Max, 1864-1920, author
Beacon Press , 1963
Buku Teks
Edited by Ali Riaz
Routledge : Lightning Source UK Ltd, 2010
Buku Teks
Bandyopadhyay, Sekhar, author
Oxford University Press, 2017
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