Heizer, Jay, author
Pearson Education , 2014
Buku Teks
Heizer, Jay, author
Prentice-Hal, 1996
Buku Teks
Jacobs, F. Robert, author
McGraw-Hill, 2014
Buku Teks
Heizer, Jay, author
Allyn and Bacon, 1988
Buku Teks
Heizer, Jay, author
Pearson Prentice-Hall, 2008
Buku Teks