Amsterdam : Noord-Hollandsche Uitg
Majalah, Jurnal, Buletin
Universitas Indonesia
UI-Press, 1986
Buku Referensi
UI-Press, 1986
UI - Publikasi
New York, Department of Public Information United Nations, 1957
Buku Referensi
Hongkong Kingsway International Publications 1981
Buku Referensi