Bonner, Thomas Neville, author
Prentice-Hall, 1960
Buku Teks
Selo Soemardjan, author
Universitas Indonesia, 1972
Buku Teks
Unesco , 1952
Buku Teks
by George C. Atteberry ... [at al.]
Macmillan, 1950
Buku Teks
Soedjatmoko, 1922-1989, author
PLP2M, 1984
Buku Teks