Trusov, A.
An introduction to the theory of evidence / A. Trusov
[publisher not identified], [date of publication not identified]
 Buku Teks
Kay, Adrian.
The dynamics of public policy : theory and evidence
Edward Elgar, 2006
 Buku Teks
Walter, Eugene Victor
Placeways : a theory of human environment
Chapel Hill, 1988
 Buku Teks
Baddeley, Alan
Human memory : theory and practice
Lawrence Erlbaum Associates, 1990
 Buku Teks
Keith, Arthur, Sir
A new theory of human evolution
Watts & Co., 1950
 Buku Teks