Butler, William E., author
Sijthoff and Noordhoff, 1978
Buku Teks
Pharand, Donat, author
Martinus Nijhoff, 1984
Buku Teks
Artikel Jurnal
Ramazani, R.K.
Sijthoff adn Noordhoff, 1979
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Khoshkish, Anoushiravan, author
Editions Generales, 1954
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