Jakarta : Lembaga Penelitian UI, 1996,
Majalah, Jurnal, Buletin
Universitas Indonesia. Fakultas Teknik
Depok, Fakultas Teknik-UI
Buku Referensi
Norwich : Edward Arnold, The educationl, academic and medical publishing
Majalah, Jurnal, Buletin
London : IP Publishing Ltd
Majalah, Jurnal, Buletin
Eggan, Fred
Chicago Philippine Studies Program University of Chicago [t.th.]
Buku Teks