Mukerji, Ananda
And where, my friend, lay you hiding
HarperCollins, 2006
 Buku Teks SO
Yun Q. Shi, editor
Transactions on data hiding and multimedia security VII
[Springer-Verlag, ], 2012
 eBooks
Nussbaum, Martha Craven, 1947-
Hiding from humanity : disgust, shame, and the law
Princeton University press, 2004
 Buku Teks SO
Unwin, Tim
The place of geography
Longman Scientific & Technical, 1992
 Buku Teks SO
Gould, Alan
The twofold place
Angus & Robertson , 1986
 Buku Teks SO