Crowe, Clayton T., author
John Wiley & Sons, 2001
Buku Teks
Daugherty, Robert L. (Robert Long), 1885-, author
McGraw-Hill, 1985
Buku Teks
Morrison, Faith A., author
Cambridge University Press, 2013
Buku Teks
Fox, Robert W., 1934-, author
John Wiley & Sons, 1992
Buku Teks
Daugherty, Robert L. (Robert Long), 1885-, author
McGraw-Hill , 1984
Buku Teks