Gibson, William E.
McGraw-Hill, 1971
Buku Teks
Meyer, Paul A.
Richard D. Irwin, Inc., 1982
Buku Teks
Rifki Ismail
John Wiley & Sons, 2013
Buku Teks
Johnson, Harry G.
Harvard University Press , 1967
Buku Teks
Smithin, John
Edward Elgar, 2003
Buku Teks