Lough, William H.
New York McGraw-Hill 1935,
Buku Teks
Organ, Dennis W, author
Sage Publications, 2012
eBooks
Szasz, Thomas
Wiley , 1987
Buku Teks
McPhilips, Jack
New Age Publishers, 1985
Buku Teks
Capote, Truman, 1924-1984, author
Bentang Pustaka, 2017
Buku Teks