Research Center for Peace and Unification of Korea,
Majalah, Jurnal, Buletin
Pusat Penelitian Badan Keahlian DPR RI Sekretariat Jenderal DPR RI, 2020
Majalah, Jurnal, Buletin
Antiquity Publications, {s.a.}
Majalah, Jurnal, Buletin
MacKay, R.A., author
The Ryerson Press, 1935
Buku Teks
McWhinney, Edward, author
A.W. Sijthoff, 1966
Buku Teks