Jossey-Bass , 1975
Buku Teks
Nur Widyastanti, author
Mahkamah Konstitusi Republik Indonesia, 2011
Artikel Jurnal
Schmuck, Richard A., author
Skylight, 1998
Buku Teks
general editor, Kenneth B. Clark and Jeannette Hopkins
Harper and Row, 1969
Buku Teks
Wiley-Blackwell, 2010
eBooks