Philippatos, George C., author
Allyn and Bacon, 1991
Buku Teks
Philippatos, George C., author
Allyn and Bacon, 1991
Buku Teks
Pandey, I.M., author
Tata McGraw-Hill, 1991
Buku Teks
Yeager, Fred C., author
Reston, 1982
Buku Teks
Yeager, Fred C., author
Prentice Hall International, 1989
Buku Teks