Hildebrandt, Darlene Myers
Computing information directory:a comprehensive guide to the computing literature
Computing Information Directoy, 1995
 Buku Referensi
The Blackwell companion to philosophy
edited by Nicholas Bunnin and E. P. Tsui-James
Wiley, 2003
 Buku Teks SO
Castle, Gregory
The Blackwell guide to literary theory
Blackwell, 2007
 Buku Teks
The Blackwell Guide to Ethical Theory
edited by Hugh LaFollette and Ingmar Persson
Wiley Blackwell, 2013
 Buku Teks
The blackwell guide to research methods in bilingualism and multilingualism
edited by Wei Li and Melissa G. Moyer
Blackwell, 2008
 Buku Teks SO