Artikel Jurnal
Nasution, Harun, author
Universitas Indonesia, 1987
Buku Teks
Nasution, Harun, 1919-, author
Penerbit UI,
Buku Teks
Muhammad Djakfar, author
UIN-Maliki Press, 2015
Buku Teks
Watt, William Montgomery, author
Perhimpunan Pengembangan Pesantrean dan Masyarakat (P3M), 1987
Buku Teks