Thomson, Ian
John Murray, 1957, 1960
Buku Teks
Carnell, Francis G.
[T.t.] [T.p.] [t.th.]
Buku Teks
edited by Bernhard Grossmann
Otto Harrassowitz, 1972
Buku Teks
editors, Robert E. Ward and Roy C. Macridis
Prentice-Hall, 1963
Buku Teks
Larsson, Christofer
Academic Press, 2014
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