Taylor, Philip H.
NFER Publishing, 1979
Buku Teks
Blumberg, Herbert H.
Cambridge University Press , 2006
Buku Teks
edited by Helmut Greim, Robert Snyder
John Wiley & Sons, 2008
eBooks
Neal, A. Leslie
McGraw-Hill, 1971
Buku Teks
Liang, Y. Daniel
Pearson, 2019
Buku Teks