Mohammad Sjafei
Centre for Strategic and International Studies, 1979
Buku Teks
Hasbullah
RajaGrafindo Persada, 2012
Buku Teks
Suharsimi Arikunto
Bumi Aksara, 1999
Buku Teks
Yusuf Enoch
Bumi Aksara, 1992
Buku Teks
E.T. Ruseffendi
IKIP Semarang Press, 1994
Buku Teks