William Warren ... [and others] ; phographer, Luca Invernizzi Tettoni
Periplus editions, 1997
Buku Referensi
Reyes, Elizabeth V.
Periplus, 2000
Buku Teks
Marsden, Jane Doughty
Periplus, 2002
Buku Teks SO
Beal, Gillian
Periplus, 2003
Buku Teks SO
Beal, Gillian
Periplus, 2003
Buku Teks SO