Dawe, Bruce, author
Cheshire, 1969
Buku Teks
Wong, Abdullah, author
Noura Books, 2013
Buku Teks
Camp, L. Sprague de, author
Holt, Rinehart & Winston, 1952
Buku Teks
Harun Derauh
Nusantara Publishing, 1989
Buku Teks
Agus Widianto, author
1986
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