R. Mohamad Ali
The Government of the Capital CIty of Djakarta, 1970
Buku Referensi
Gardner, Helen
Harcourt, Brace and World, 1959
Buku Teks
edited by Edward Conze
Bruno Cassirer, 1954
Buku Teks
Scherer, James A.B.
Hokuseido Press, 1933
Buku Teks
Finch, B. E.
Charles C. Thomas, 1963
Buku Teks SO