Akhiruddin Maddu, author
2007
UI - Disertasi (Membership)
Bennett, Charles A, author
John Wiley, 2008
Buku Teks
Nasir Saleh, author
Universitas Indonesia, 1988
UI - Tesis (Membership)
Welford, W.T.
Oxford University Press, 1990
Buku Referensi
Rosari Saleh, author
Lembaga Penelitian Universitas Indonesia, 2003
Artikel Jurnal