Haryono Semangun, author
Gadjah Mada University Press, 1992
Buku Referensi
Leach, Julian Gilbert, author
McGraw-Hill, 1940
Buku Teks
Bawden, F.C., author
Ronald Press, 1964
Buku Teks
Ulrich Gisi
Springer, 2010
Buku Teks
Mukerji, K.G., author
Tata McGraw-Hill, 1986
Buku Referensi