Dozier, Edward P.
Kalinga of Northen Luzon, Philippines / by Edward P. Dozier
Holt, Rinehart and Winston, 1967
 Buku Teks
Valette, Jean-Paul
Contacts : langue et culture franaises
Houghton Mifflin, 1997
 Buku Teks SO
Nehru, Jawaharlal, 1889-1964
The discovery of India
New Delhi, Oxford University Press, 1982,
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Nehru, Jawaharlal, 1889-1964
The discovery of India
The John Day, 1945
 Buku Teks
Collins, Randall
The Discovery of Society
Random House, 1984
 Buku Teks SO