UIN Syarif Hidayatullah Jakarta,
Majalah, Jurnal, Buletin
Barnet, Michael P., author
McGraw-Hill, 1986
Buku Teks
Tagliaferri, Louise E.
John Wiley & Sons, 1979
Buku Teks
Palmore, James A., author
East West Center Press, 1987
Buku Teks
edited by Andrew E. Hershberger
UK Wiley Blackwell,, 2014
Buku Teks