Krom, N.J., author
Gian Publishing House, 1986
Buku Teks
edited by C.A. Jacobson
Van Nostrand Reinhold, 1959
Buku Referensi
Brinton, Crane, 1898-1968, author
Prentice-Hall, 1955
Buku Teks
edited by, Ian Inkster
Bloomsbury Publishing, 2012
Buku Teks
Feingold, Mordechai, author
Oxford University Press, 2017
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