Amsterdam : Noord-Hollandsche Uitg
Majalah, Jurnal, Buletin
New York, Department of Public Information United Nations, 1957
Buku Referensi
Hongkong Kingsway International Publications 1981
Buku Referensi
Bandoeng : A.C. NIX
Majalah, Jurnal, Buletin
[T.t.] [t.p.] 1995
Buku Referensi