A.S. Alam, author
Prenadamedia Group, 2018
Buku Teks
Simanjuntak, B., author
[publisher not identified], [date of publication not identified]
Buku Teks
Noach, WME
Citra Adi Bakti, 1992
Buku Teks
Bonger, Willem Adriaan, 1876-1940, author
Pembangunan, 1962
Buku Klasik
Mulyana W. Kusumah, author
Armico, 1984
Buku Teks