Young and restless in the library
 Artikel Jurnal
Restless nations : a study of world tensions and development
foreword by Lester B. Pearson
Gearge Allen & Unwin, 1962
 Buku Teks SO
d`Ardenne, Patricia
Counselling in transcultural settings priorities for a restless world
Sage, 2013
 Buku Teks SO
Handbook of metal etchants
editors, Perrin Walker, William H. Tarn
CRC Press, 1991
 Buku Referensi
CRC handbook of metal etchants
editors, Perrin Walker, William H. Tarn
CRC Press, 1991
 Buku Referensi