Scharfstein, Zevi, author
America : Shilo Publishing House, 1073
Buku Referensi
Winstedt, Richard O., author
Kelly & Walsh Limited, [date of publication not identified]
Buku Referensi
Macmillan Education, 2002
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Beijing Huayu Jiaoxve Chubanshe (Sinolingua Press) 1999
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Reifer, Mary, author
Philosophical Library, 1955
Buku Referensi