Morrison & Gibb, 1940
Buku Teks
Crosland, Anthony, 1918-
Macmillan, 1957
Buku Teks
Heartfield, James
Oxford University Press, 2017
eBooks
Hollis, Christopher
Hollis & Carter, 1949
Buku Teks
Mike Fitzgerald, Gregor McLennan and Jennie Pawson at the Open University.
Routledge in association with Open University Press, 2001
Buku Teks