Artikel Jurnal
Satria Effendi M. Zein, author
Kencana, 2004
Buku Teks
Nasution, Harun, author
Penerbit Universitas Indonesia, 2018
Buku Teks
Nasution, Harun, author
UI-Press, 1986
Buku Teks
Gibb, Hamilton A.R., Sir, author
Tintamas Indonesia, 1954
Buku Teks