Akhtar, Salman, author
Routledge, 2018
Buku Teks
Menninger, Karl
Basic Books, 1963
Buku Teks
edited by Michael P. Levine
Routledge Press, 2000
Buku Teks
Lichtenberg, Joseph D., author
Routledge, 2011
Buku Teks
Moore, Henrietta L., author
Polity, 2007
Buku Teks