Upacara tradisional daerah Sumatera Utara
editor, Bambang Suwondo, Ahmad Yunus dan Hafid Yunus
Departemen Pendidikan dan Kebudayaan RI, 1982
 Buku Teks
Solidarity : current affairs, ideas and the arts
Manila, Solidarity Publishing House
 Majalah, Jurnal, Buletin
Perencanaan dan pengendalian proyek gedung sosial dan ekonomi IUC-UI dengan Pert
Universitas Indonesia, 1989
 UI - Skripsi Membership
Punmia, B.C.
Project planning and control with PERT and CPM
Laxmi Publications, 1988
 Buku Teks
Going forward: social justice for the first Australians : a submission to the Commonwealth Government from the Council for Aboriginal Reconciliation / The Commonwealth of Australia
Australian Government Publishing Service , 1995
 Buku Teks