Barraclough, Geoffrey, 1908-1984
Basil Blackwell, 1957
Buku Teks
Barraclough, Geoffrey, 1908-1984
Penguin Books, 1967
Buku Teks
Hotton, Geoffrey
Tavistock Publications in association with Bath University Press, 1972
Buku Teks
Blainey, Geoffrey, 1930-, author
Sun Books, 1982
Buku Teks
Rudd, Gillian, author
Routledge , 2001
Buku Teks