Stoica, Georgeta
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Buku Teks
Kusno, Abidin
London: Routledge, 2000,
Buku Teks
Cever, Francisco Asensio
Hongkong : Page One Publishing, 1996,
Buku Referensi
Stevenson, Maggie, author
Hongkong : Page One Publishing, 2002,
Buku Referensi
Cerver, Francisco Asensio
Hongkong : Page One Publishing, 1997,
Buku Referensi