Engel, Thomas
Pearson Prentice Hall, 2008
Buku Teks
Alberty, Robert A.
John Wiley & Sons, 1992
Buku Teks
Levine, Ira N.
McGraw-Hill, 1988
Buku Teks
Alberty, Robert A.
John Wiley & Sons, 1979
Buku Teks
Alberty, Robert A.
John Wiley & Sons, 1983
Buku Teks