Neisser, Ulrich
W.H. Freeman, 1976
Buku Teks
Howard, Darlene V.
Macmillan, 1983
Buku Teks
Raeff, Catherine
Oxford University Press, 2016
eBooks
Osborn, Alex
Charles Scribner`s Sons, 1952
Buku Teks
Russell, Bertrand, 1872-1970
George Allen and Unwin, 1956
Buku Teks