Natural resources and international development
edited by Marion Clawson
John Hopkins Press, 1965
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Natural resources and development
Federal Republic of Germany, 1977
 Buku Teks SO
Kreps, Juanita M.
Our natural resources their development and use
Wilson, 1955
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Twitchell, K.S.
Saudi Arabia, with an account of the development of its natural resources
Princeton University Press, 1953
 Buku Teks SO
Twitchell, K.S.
Saudi Arabia : with an account of the development of its natural resources
Princeton University, 1958
 Buku Teks SO