Clewlow, Carol, author
Lonely Planet, 1989
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Cummings, Joe, author
Jonely Planet, 1982
Buku Referensi
Robert Storey ... [and others]
Lonely Planet , 1992
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Covernton, Mary
Leonely Planet Pub., 1984
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Lo, Stefan H.C., author
McGraw-Hill, 2012
Buku Teks