Kramers, Johannes Hendrik, author
[publisher not identified], [date of publication not identified]
Buku Klasik
Loon, Henrik Willem van
Dodd Nead, 1962
Buku Teks
Brocheux, Pierre
Cambridge University Press, 2007
Buku Teks
GMNI, 1994
Buku Teks
Rosihan Anwar, author
Harian Kompas, 1992
Buku Teks