daab gmbh, 2006
Buku Referensi
edited by Cristina Paredes Benitez
Daab, 2006
Buku Referensi
by Agoes Arismunandar ... [and others]; editor, Gunawan Tjahjono
Archipelago, 1998
Buku Teks SO
Toy, Maggie, editor
Academy Group, 1996
Buku Referensi
edited by Maggie Toy
Academy Group, 1996
Buku Teks SO