Bendix, Reinhard
John Wiley & Sons, 1956
Buku Teks
Brown, Wilfred
Heinemann, 1971
Buku Teks
Dalton, Melville
John Wiley & Sons,Inc. , 1959
Buku Teks
Hicks, Herbert G.
McGraw-Hill Kogakusha, 1974
Buku Teks
Lundy, James L.
Eurasia Publishing House, 1968
Buku Teks