Lucey, Thomas A., author
Emerald Publishing Limited, 2019
eBooks
Pierson, Frank C.
McGraw-Hill, 1959
Buku Teks
Matthias Pilz
Springer-VS, 2012
eBooks
Griffin, Ricky W., author
Pearson Education International, 2006
Buku Teks
Griffin, Ricky W., author
Prentice-Hall, 1999
Buku Teks