Manila : De La Saller University, 2007,
Majalah, Jurnal, Buletin
Thyer, Bruce A.
London : Sage Publications, 2001,
Buku Referensi
Jakarta [t.p.] 1974
UI - Makalah dan Kertas Kerja
P.t the Centre for south-East Asia studies University of Hull 1989,
Buku Teks
New York American Academy of Pediatric 2002,
Buku Teks