Pakpahan, James Marihottua
Universitas Indonesia, 2009
UI - Skripsi (Open)
Vanessa
Universitas Indonesia, 2007
UI - Tesis (Membership)
Siregar, Maulidya Nurharlima
2011
UI - Skripsi (Open)
Tatanusa, 2004
Buku Teks
Tim Redaksi Tatanusa
Tatanusa, 2001
Buku Teks