Klatt, Edmund
Langenscheidts Schulworterbuch English-Deutch; Deutsch English
Berlin Langenscheidt KG. Verlag buchhandlung 1961
 Buku Referensi
Kekuatan pelat beton terhadap geser pons
Fakultas Teknik Universitas Indonesia, 1994
 UI - Skripsi Membership
Jary, David
The Harper collins dictionary of sociology
Harper Collins, 1991
 Buku Teks
The Collins book of Australian poetry
chosen by Rodney Hall
Fontana, Collins, 1984
 Buku Teks
Collins English spelling dictionary
HarperCollins Publishers, 1993
 Buku Referensi