Gandhi, M.K.
Ahmedabad Navajivan Publishing House 1928
Buku Teks
Grant, Stan
Jamaica: Courier Press, 1973
Buku Teks
Gatti, Attilio
Julian Messner, Inc., 1959
Buku Teks
Gross, Felix
Frederick A. Praeger, 1957
Buku Teks
Janssen, Rainer, editor
Springer, 2012
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