Ryder, G.H., author
Macmillan, 1983
Buku Teks
Willems, Nicholas, author
McGraw-Hill, 1981
Buku Teks
Stepin, P., author
Peace Publishers, 1964
Buku Teks
Mallikarjuna, B.P., author
CBS, 1993
Buku Teks
Timoshenko, S. P. (Stephen P.), author
Affiliated East-West Press, 1962
Buku Teks