Blair, Peter D.
Geothermal energy : investment decisions and commercial development / Peter D. Blair, Thomas A.V. Cassel, Robert H. Edelstein.
Wiley, 1982
 Buku Teks
Blair, Peter D.
Geothermal Energy : investment dicisions and commercial development / Peter D. Blair, Thomas A.V. Cassel, Robert H. Edelstein
John Wiley & Sons, 1982
 Buku Teks
Lawrence, David Herbert, 1885-1930
Tales of D. H. Lawrence
William Heinemann, 1934
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Tindal, William York
Walaace Stevens / William York Tindall
University of Minneapolis Press, 1961
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Cole, George Douglas Howard, 1889-1959
A century of co-operation / G. D. H. Cole
The Co-operative union Ltd., 1944
 Buku Teks