Brecht, Arnold
Political theory: the foundations of twentieth-century political thought
Princenton University Press, 1968
 Buku Teks
Kaplan, Morton A.
The political foundations of international law
John Wiley & Sons, 1961
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Reitz, John R.
Foundations of electromagnetic theory
Addison-Wesley, 1993
 Buku Teks
Reitz, John R.
Foundations of electromagnetic theory
Addison-Wesley, 1979
 Buku Teks
Reitz, John R.
Foundations of electromagnetic theory
Addison-Wesley, 1964
 Buku Teks