Horowitz, Mannie, author
Elex Media Komputindo , 1997
Buku Teks
Graeme, Jerald G., author
McGraw-Hill, 1977
Buku Teks
Safari, Leila, author
Springer Cham, 2019
eBooks
Paynter, Robert T.
Prentice Hall International, 1997
Buku Teks
Franco, Sergio, author
McGraw-Hill , 2015
Buku Teks