Alwisol
Universitas Muhammadiyah Malang, 2016
Buku Teks
Sumadi Suryabrata
RajaGrafindo Persada, 1998
Buku Teks SO
Sumadi Suryabrata
Rajawali, 1983
Buku Teks SO
Sumadi Suryabrata
RajaGrafindo Persada, 1993
Buku Teks SO
Sumadi Suryabrata
[publisher not identified], [date of publication not identified]
Buku Teks