Ebenstein, William, author
Holt, Rinehart and Winston, 1962
Buku Teks
Field, G. Lowell, author
Buku Teks
Soelistyati Ismail Gani, author
Ghalia Indonesia, 1984
Buku Teks
F. Isjwara, author
Binacipta, 1985
Buku Teks
Lasswell, Harold D.
Routledge & Kegan Paul Ltd., 1949
Buku Teks