Ahmad Yani, author
RajaGrafindo Persada, 1999
Buku Teks
Parwoto Wignjosumarto, author
Tatanusa, 2003
Buku Teks
Sinaga, Hari Benarto J. M. H., author
Universitas Indonesia, 2016
UI - Skripsi (Membership)
Ahmad Yani, author
RajaGrafindo Persada, 2004
Buku Teks
William Iwo, author
2015
UI - Skripsi (Membership)