Who's who in the Republica of China
edited by Irene Yeung
Government Information Office, 2002
 Buku Referensi
AP.1
Jakarta : PT. Angkasa Pura 1, 2007,
 Majalah, Jurnal, Buletin
Wer ist wer? Das Deutsche Who's Who the German Who's Who : Le Who's Who allemand Redaktion Esser
Lubeck : Schmidt-Romhild, 1990
 Buku Referensi
Who's who in Japan 1984-1985
International culture Institut, 1084
 Buku Referensi
Tirta, Nyak Wali Alfa
Prof. DR.R. Soegarda Poerbakawatja karya dan pengabdiannya / oleh Nyak Wali Alfa Tirta
Depdikbud , 1984
 Buku Teks