Yandi Andri Yatmo, author
Fakultas Teknik Universitas Indonesia, 2007
UI - Laporan Penelitian
Toy, Maggie, editor
Academy Group, 1996
Buku Referensi
edited by Maggie Toy
Academy Group, 1996
Buku Teks
The McGraw-Hill Companies, {s.a}
Majalah, Jurnal, Buletin
EMAP, Royal Mail International c/o Smartmail, {s.a}
Majalah, Jurnal, Buletin