Steingass, F.
Gaurav Publishing House, 1986
Buku Referensi
Hava, J.G.
Catholic Press , 1951
Buku Referensi
Wortabet, John
Frederick Ungar Publishing, 1954
Buku Referensi
Newman, Daniel
Routledge, 2007
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Lane, Edward William
Frederick Ungar Publishing, 1956
Buku Referensi