Hendri
Universitas Indonesia, 2012
UI - Tesis (Open)
SMARTaxes Publishing member of Lembaga Manajemen Formasi,
Majalah, Jurnal, Buletin
Erly Suandy
Jakarta: Salemba Empat, 2001,
Buku Referensi
Ahmad Maulana
Universitas Indonesia, 2012
UI - Tesis (Open)
Winda Triana
2012
UI - Skripsi (Open)