Krugman, Paul R.
International economic : theory and policy
Addison-Wesley , 1997
 Buku Teks
Kleinrock, Leonard
Queueing systems; Volume 1 : theory
John Wiley & Sons, 1975
 Buku Teks
Dislocations in solids : Volume 1, Elastic theory
edited by F.R.N. Nabarro
North-Holland, 1979
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Johnson, Harry G.
International trade and economic growth : studies in pure theory
George Allen and Unwin, 1958
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Little, Ian M.D.
Economic development : theory, policy and international relations
Basic Books, 1982
 Buku Teks