Prakoso Bhairawa Putera
Indonesian Institute of Science(LIPI), Jakarta, 2012
Artikel Jurnal
Wilson, James Q.
D.C. Heath, 1995
Buku Teks
Wilson, James Q.
D.C. Helath and Co., 1986
Buku Teks
Tricker, R. Ian
Oxford University Press, 2015
Buku Teks
Backman, Jules
The Ronald Press Company, 1953
Buku Teks